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 2016-07-02, 08:25 #1 ET_ Banned     "Luigi" Aug 2002 Team Italia 17×283 Posts Results [Placeholder]
 2016-07-17, 16:27 #2 firejuggler     Apr 2010 Over the rainbow 43·59 Posts result for F14000 to F14500, k=100e3 to 200e3 sieved with fermfact, checked with pfgw : 2 result, both know 116671*2^14364+1 is a Factor of xGF(14361,12,5)!!!! 180963*2^14228+1 is a Factor of xGF(14227,11,5)!!!!
 2016-12-22, 03:46 #3 wombatman I moo ablest echo power!     May 2013 1,741 Posts Code: no factor for k*2^172+1 in k range: 281000000000000 to 281474976710655 (220-bit factors) [mmff 0.28 mfaktc_barrett220_F160_191gs] no factor for k*2^172+1 in k range: 281474976710656 to 350000000000000 (221-bit factors) [mmff 0.28 mfaktc_barrett224_F160_191gs] no factor for k*2^173+1 in k range: 281000000000000 to 281474976710655 (221-bit factors) [mmff 0.28 mfaktc_barrett224_F160_191gs] no factor for k*2^173+1 in k range: 281474976710656 to 350000000000000 (222-bit factors) [mmff 0.28 mfaktc_barrett224_F160_191gs] no factor for k*2^174+1 in k range: 281000000000000 to 281474976710655 (222-bit factors) [mmff 0.28 mfaktc_barrett224_F160_191gs] no factor for k*2^174+1 in k range: 281474976710656 to 350000000000000 (223-bit factors) [mmff 0.28 mfaktc_barrett224_F160_191gs] no factor for k*2^175+1 in k range: 281000000000000 to 281474976710655 (223-bit factors) [mmff 0.28 mfaktc_barrett224_F160_191gs] no factor for k*2^175+1 in k range: 281474976710656 to 350000000000000 (224-bit factors) [mmff 0.28 mfaktc_barrett224_F160_191gs] no factor for k*2^176+1 in k range: 281000000000000 to 281474976710655 (224-bit factors) [mmff 0.28 mfaktc_barrett224_F160_191gs] no factor for k*2^176+1 in k range: 281474976710656 to 350000000000000 (225-bit factors) [mmff 0.28 mfaktc_barrett236_F160_191gs] no factor for k*2^177+1 in k range: 281000000000000 to 281474976710655 (225-bit factors) [mmff 0.28 mfaktc_barrett236_F160_191gs] no factor for k*2^177+1 in k range: 281474976710656 to 350000000000000 (226-bit factors) [mmff 0.28 mfaktc_barrett236_F160_191gs] no factor for k*2^178+1 in k range: 281000000000000 to 281474976710655 (226-bit factors) [mmff 0.28 mfaktc_barrett236_F160_191gs] no factor for k*2^178+1 in k range: 281474976710656 to 350000000000000 (227-bit factors) [mmff 0.28 mfaktc_barrett236_F160_191gs] no factor for k*2^179+1 in k range: 281000000000000 to 281474976710655 (227-bit factors) [mmff 0.28 mfaktc_barrett236_F160_191gs] no factor for k*2^179+1 in k range: 281474976710656 to 350000000000000 (228-bit factors) [mmff 0.28 mfaktc_barrett236_F160_191gs]
 2019-11-20, 06:46 #4 ATH Einyen     Dec 2003 Denmark 210×3 Posts I admit I did some factoring without making a reservation but I did check the Reservation thread and here: http://www.fermatsearch.org/stat/running.php I was running mmff-0.28 near the maximum range which is n<=223 and k*2n+1 <= 2252. I completed the maximum available ranges that mmff-0.28 can do: Code: no factor for k*2^205+1 in k range: 130000000000000 to 140737488355327 (252-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^204+1 in k range: 130000000000000 to 140737488355327 (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^204+1 in k range: 140737488355328 to 281474976710655 (252-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^203+1 in k range: 130000000000000 to 140737488355327 (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^203+1 in k range: 140737488355328 to 281474976710655 (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^203+1 in k range: 281474976710656 to 562949953421311 (252-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^202+1 in k range: 130000000000000 to 140737488355327 (249-bit factors) [mmff 0.28 mfaktc_barrett249_F192_223gs] no factor for k*2^202+1 in k range: 140737488355328 to 281474976710655 (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^202+1 in k range: 281474976710656 to 562949953421311 (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^202+1 in k range: 562949953421312 to 1125899906842623 (252-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] Last fiddled with by ATH on 2019-11-20 at 06:47
2019-11-22, 10:11   #5
ET_
Banned

"Luigi"
Aug 2002
Team Italia

113138 Posts

Quote:
 Originally Posted by ATH I admit I did some factoring without making a reservation but I did check the Reservation thread and here: http://www.fermatsearch.org/stat/running.php I was running mmff-0.28 near the maximum range which is n<=223 and k*2n+1 <= 2252. I completed the maximum available ranges that mmff-0.28 can do: Code: no factor for k*2^205+1 in k range: 130000000000000 to 140737488355327 (252-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^204+1 in k range: 130000000000000 to 140737488355327 (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^204+1 in k range: 140737488355328 to 281474976710655 (252-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^203+1 in k range: 130000000000000 to 140737488355327 (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^203+1 in k range: 140737488355328 to 281474976710655 (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^203+1 in k range: 281474976710656 to 562949953421311 (252-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^202+1 in k range: 130000000000000 to 140737488355327 (249-bit factors) [mmff 0.28 mfaktc_barrett249_F192_223gs] no factor for k*2^202+1 in k range: 140737488355328 to 281474976710655 (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^202+1 in k range: 281474976710656 to 562949953421311 (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^202+1 in k range: 562949953421312 to 1125899906842623 (252-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs]
Thank you Andreas!

Now I need some volunteering effort to close the gaps of the range 200-209 and take each N to the same level...
The request is addressed to everyone,and duplicated in the "Most wanted" thread

 2019-12-02, 06:09 #6 ATH Einyen     Dec 2003 Denmark 210·3 Posts no factor for k*2^201+1 in k range: 140000000000000 to 140737488355327 (248-bit factors) [mmff 0.28 mfaktc_barrett249_F192_223gs] no factor for k*2^201+1 in k range: 140737488355328 to 230000000000000 (249-bit factors) [mmff 0.28 mfaktc_barrett249_F192_223gs] no factor for k*2^201+1 in k range: 230000000000000 to 281474976710655 (249-bit factors) [mmff 0.28 mfaktc_barrett249_F192_223gs] no factor for k*2^201+1 in k range: 281474976710656 to 330000000000000 (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^201+1 in k range: 330T to 430T (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^201+1 in k range: 430T to 530T (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^201+1 in k range: 530000000000000 to 562949953421311 (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^201+1 in k range: 562949953421312 to 630000000000000 (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^201+1 in k range: 630T to 730T (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^201+1 in k range: 730T to 830T (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^201+1 in k range: 830T to 930T (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^201+1 in k range: 930T to 1030T (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^201+1 in k range: 1030000000000000 to 1125899906842623 (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^201+1 in k range: 1125899906842624 to 1130000000000000 (252-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^200+1 in k range: 130000000000000 to 140737488355327 (247-bit factors) [mmff 0.28 mfaktc_barrett247_F192_223gs] no factor for k*2^200+1 in k range: 140737488355328 to 230000000000000 (248-bit factors) [mmff 0.28 mfaktc_barrett249_F192_223gs] no factor for k*2^200+1 in k range: 230000000000000 to 281474976710655 (248-bit factors) [mmff 0.28 mfaktc_barrett249_F192_223gs] no factor for k*2^200+1 in k range: 281474976710656 to 330000000000000 (249-bit factors) [mmff 0.28 mfaktc_barrett249_F192_223gs] no factor for k*2^200+1 in k range: 330T to 430T (249-bit factors) [mmff 0.28 mfaktc_barrett249_F192_223gs] no factor for k*2^200+1 in k range: 430T to 530T (249-bit factors) [mmff 0.28 mfaktc_barrett249_F192_223gs] no factor for k*2^200+1 in k range: 530000000000000 to 562949953421311 (249-bit factors) [mmff 0.28 mfaktc_barrett249_F192_223gs] no factor for k*2^200+1 in k range: 562949953421312 to 630000000000000 (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^200+1 in k range: 630T to 730T (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^200+1 in k range: 730T to 830T (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^200+1 in k range: 830T to 930T (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^200+1 in k range: 930T to 1030T (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^200+1 in k range: 1030000000000000 to 1125899906842623 (250-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs] no factor for k*2^200+1 in k range: 1125899906842624 to 1130000000000000 (251-bit factors) [mmff 0.28 mfaktc_barrett252_F192_223gs]
 2020-11-19, 15:45 #7 MattcAnderson     "Matthew Anderson" Dec 2010 Oregon, USA 71410 Posts I'm back at it. I have a dedicated machine for Fermat Factoring. no factor for k*2^36+1 in k range: 700P to 705P (96-bit factors) [mmff 0.28 mfaktc_barrett96_F32_63gs] no factor for k*2^36+1 in k range: 705P to 720P (96-bit factors) [mmff 0.28 mfaktc_barrett96_F32_63gs] no factor for k*2^36+1 in k range: 720P to 735P (96-bit factors) [mmff 0.28 mfaktc_barrett96_F32_63gs] no factor for k*2^36+1 in k range: 735P to 745P (96-bit factors) [mmff 0.28 mfaktc_barrett96_F32_63gs] wish me luck
 2020-11-24, 20:49 #8 MattcAnderson     "Matthew Anderson" Dec 2010 Oregon, USA 2·3·7·17 Posts More about exponent 36 a small result to report :: no factor for k*2^36+1 in k range: 745P to 755P (96-bit factors) [mmff 0.28 mfaktc_barrett96_F32_63gs] Regards, Matt
 2020-12-06, 06:56 #9 MattcAnderson     "Matthew Anderson" Dec 2010 Oregon, USA 71410 Posts more negative results no factor for k*2^36+1 in k range: 755P to 765P (96-bit factors) [mmff 0.28 mfaktc_barrett96_F32_63gs] no factor for k*2^36+1 in k range: 765P to 775P (96-bit factors) [mmff 0.28 mfaktc_barrett96_F32_63gs] no factor for k*2^36+1 in k range: 775P to 785P (96-bit factors) [mmff 0.28 mfaktc_barrett96_F32_63gs] Regards, Matt
 2020-12-11, 04:43 #10 MattcAnderson     "Matthew Anderson" Dec 2010 Oregon, USA 2·3·7·17 Posts just to let you know, no factor for k*2^36+1 in k range: 785P to 795P (96-bit factors) [mmff 0.28 mfaktc_barrett96_F32_63gs] Regards, Matt
 2020-12-23, 06:27 #11 MattcAnderson     "Matthew Anderson" Dec 2010 Oregon, USA 2×3×7×17 Posts some results no factor for k*2^36+1 in k range: 795P to 805P (96-bit factors) [mmff 0.28 mfaktc_barrett96_F32_63gs] no factor for k*2^36+1 in k range: 805P to 815P (96-bit factors) [mmff 0.28 mfaktc_barrett96_F32_63gs] no factor for k*2^36+1 in k range: 815P to 825P (96-bit factors) [mmff 0.28 mfaktc_barrett96_F32_63gs] Regards, Matt

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