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2020-09-02, 13:18
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#188 | |
"Dylan"
Mar 2017
10628 Posts |
Quote:
Code:
no factor for k*2^74+1 in k range: 8000000000000000 to 9007199254740991 (127-bit factors) [mmff 0.28 mfaktc_barrett128_F64_95gs] no factor for k*2^74+1 in k range: 9007199254740992 to 10000000000000000 (128-bit factors) [mmff 0.28 mfaktc_barrett128_F64_95gs] |
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2020-10-02, 13:47
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#189 | |
Feb 2019
2×41 Posts |
Quote:
Code:
3796269*2^18431+1 is a Factor of xGF(18430,12,7)!!!! |
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2020-10-03, 10:24
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#190 | |
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Banned
"Luigi"
Aug 2002
Team Italia
2·74 Posts |
Quote:
Once you finish the range, please attach the full list of factors found, and I will send it to Prof Keller. Last fiddled with by ET_ on 2020-10-03 at 10:24 |
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2020-11-15, 14:39
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#191 |
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"Dylan"
Mar 2017
10628 Posts |
Taking the following gaps, to test with gfndsieve + pfgw with the -gx flag:
n: 80001-80999, k: 25e4-30e4 n: 90001-90999, k: 20e4-25e4 |
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2020-11-17, 19:07
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#192 |
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Feb 2019
2·41 Posts |
Hi,
I finished the range n=18k-19k, k=2M-5M and found 2 xGF divisors: 3796269*2^18431+1 is a Factor of xGF(18430,12,7)!!!! 2130243*2^18749+1 is a Factor of xGF(18746,7,5)!!!! A list of all prps I've found is in the attached zip file. |
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2020-11-19, 15:43
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#193 |
"Matthew Anderson"
Dec 2010
Oregon, USA
3·13·17 Posts |
Reserving
FermatFactor=36,700e15,900e15 This should take me several months. Matt |
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2020-11-19, 17:12
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#194 | |
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Banned
"Luigi"
Aug 2002
Team Italia
2·74 Posts |
Quote:
Should we reserve just one big chunk for 815e15<k<900e15? Luigi Last fiddled with by ET_ on 2020-11-19 at 17:12 |
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2020-11-20, 03:04
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#195 |
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"Matthew Anderson"
Dec 2010
Oregon, USA
3·13·17 Posts |
Luigi, I say you just reserve one big chunk. That makes bookkeeping easier.
I plan on reporting results every few weeks. Should we reserve just one big chunk for 815e15<k<900e15? Yes Regards, Matt Anderson |
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2020-12-11, 07:32
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#196 |
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"Matthew Anderson"
Dec 2010
Oregon, USA
66310 Posts |
reserving
FermatFactor=36,900e15,960e15 It may be several months before I get to this range, but it is already in my worktodo.txt file. Regards, Matt |
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2020-12-15, 00:09
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#197 |
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Einyen
Dec 2003
Denmark
57358 Posts |
Not sure how long this will take. I'm only using Google Colab free version with mmff.
Reserving: FermatFactor=199,1000e12,1130e12 FermatFactor=198,1000e12,1130e12 FermatFactor=197,1000e12,1130e12 FermatFactor=196,1000e12,1130e12 FermatFactor=195,1000e12,1130e12 FermatFactor=194,1000e12,1130e12 FermatFactor=193,1000e12,1130e12 FermatFactor=192,1000e12,1130e12 FermatFactor=191,1000e12,1130e12 FermatFactor=190,1000e12,1130e12 |
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2020-12-15, 12:55
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#198 |
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Banned
"Luigi"
Aug 2002
Team Italia
2×74 Posts |
Thank you Andreas!
Just keep us informed once every trimester, while you proceed 
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