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 Showing results 1 to 16 of 16 Search took 0.01 seconds. Search: Posts Made By: MattcAnderson
 Forum: MattcAnderson 2022-11-04, 06:32 Replies: 21 Views: 2,812 Posted By MattcAnderson more factordb.com exercises Hi all, thought I would document some excercises for factordb.com tonight. These are composite numbers without known factors, that is, until I find those factors. Seems like an unending quest for...
 Forum: MattcAnderson 2022-07-20, 17:14 Replies: 21 Views: 2,812 Posted By MattcAnderson today's factordb session Today I learned that (10^79-253653)*(1/63408193995913273) <63> equals 1240407261075014928350683*127142374043023096518690934457531891833 in other words, we start with a Composite number (C) and...
 Forum: MattcAnderson 2022-07-02, 00:20 Replies: 21 Views: 2,812 Posted By MattcAnderson This is it. Good times Look ... This is it. Good times Look 58375189765560121426618297669679<32> Factor already known Found 2 factors and 0 ECM/P+1/P+1 results.
 Forum: MattcAnderson 2022-05-30, 09:39 Replies: 21 Views: 2,812 Posted By MattcAnderson I tried, unsuccessfully, to download yafu on my... I tried, unsuccessfully, to download yafu on my Windows computer. So I used Maple again. 850 seconds of computer time to do the 10 factorizations. So that's 14 minutes. plus the time it took me...
 Forum: MattcAnderson 2022-05-29, 10:28 Replies: 21 Views: 2,812 Posted By MattcAnderson I did 3 factorizations tonight. I used Maple and... I did 3 factorizations tonight. I used Maple and it took 242 seconds. I know yafu is faster. The composite numbers have 71 digits so 3 separate C71. > ifactor((10^77-902097)*(1/4617559));...
 Forum: MattcAnderson 2022-02-22, 23:17 Replies: 21 Views: 2,812 Posted By MattcAnderson I appreciate the suggestions, kar_bon and EdH. ... I appreciate the suggestions, kar_bon and EdH. For some reason, I prefer Maple, under a Windows platform. It is easier for me to use. At least you looked at my blog. You both get an A+. I am...
 Forum: MattcAnderson 2022-02-22, 08:37 Replies: 21 Views: 2,812 Posted By MattcAnderson More factordb.com Hi again all, > ifactor(12728090287417836575217719014652994601005209080166443917625601931139); (23) (71) (79) (97) (101) (103) (127) (131) (157) (251) (307) (311) (331) (449) (523) (661)...
 Forum: MattcAnderson 2022-02-22, 04:51 Replies: 21 Views: 2,812 Posted By MattcAnderson Matt's factordb.com session tonight I know you all are eager to see this. For a laugh, see reddit.com/r/softwaregore This is code gore. # My comments were lost in translation, so you see "NULL". > NULL; >...
 Forum: MattcAnderson 2021-09-23, 10:34 Replies: 21 Views: 2,812 Posted By MattcAnderson more calculations Hi again all, I have probably done over 50 quick calculations for factordb.com. In My Humble Opinion, this is a useful database. Now we know that a C74 is a P22 times a P24 times a P29. ...
 Forum: MattcAnderson 2021-08-17, 04:20 Replies: 21 Views: 2,812 Posted By MattcAnderson Hi all, I have been doing several requested... Hi all, I have been doing several requested integer factorizations for factordb.com. Some composites are semi-primes, that is of the form composite = prime1 * prime2. My last one was ...
 Forum: MattcAnderson 2021-08-15, 00:21 Replies: 21 Views: 2,812 Posted By MattcAnderson Hi again all, My latest factordb.com... Hi again all, My latest factordb.com contribution about prime factorization of integers (that took 1612 seconds on my rig) is ...
 Forum: MattcAnderson 2021-08-14, 15:33 Replies: 21 Views: 2,812 Posted By MattcAnderson some factor D B results Hi all, I enjoy giving results to factordb.com Some interesting details are in this attachment Cheers Matt
 Forum: MattcAnderson 2021-06-15, 16:57 Replies: 21 Views: 2,812 Posted By MattcAnderson Now an previously unknown C83 is a P36 times a... Now an previously unknown C83 is a P36 times a P48 To show 38146669211999441488164746438552634539130258479280936639266759628326547189425577797<83> 134954146509066228002222828521591151<36> ·...
 Forum: MattcAnderson 2021-06-15, 08:29 Replies: 21 Views: 2,812 Posted By MattcAnderson Now a C67 ... Now a C67 2878189567560747844730239605664433489522492631397317607235068302073 so interesting and useful in at least 3 millennia as we continue to colonize Mars. good mathematical trivia
 Forum: MattcAnderson 2021-06-15, 07:57 Replies: 21 Views: 2,812 Posted By MattcAnderson Found a C70 ... Found a C70 5251595955542976485924773357619648101146114174676995076345134370657229 away from keyboard 3721001974321543266672687967*(22424797223486196447937965793*62936542414259) P14 * P28...
 Forum: MattcAnderson 2021-06-15, 07:34 Replies: 21 Views: 2,812 Posted By MattcAnderson Matt vs factordb Tonight I found that a C75 is a P32 times a P44. It required 165.14 seconds of computer time, Using Maple 13 student version and my computer is Windows 7 Home Premium, service pack 1 (stable...
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