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Small Mersenne Prime Factors
Prime numbers of the form Mp= 2p − 1 are called Mersenne primes. For Mp to be prime, p must also be prime.
Any factor q of a Mersenne number 2p − 1 must be of the form 2kp + 1, where integer k ≥ 0. Furthermore, q must be 1 or 7 mod 8.
Exp. Prime Factor Digits Year
377647175529437 ~1982
377648375529677 ~1982
377660375532077 ~1982
3776831302146498 ~1984
377689175537837 ~1982
3776933226615998 ~1984
3777187604349938 ~1985
3777307604369138 ~1985
37774011435412399 ~1985
377741975548397 ~1982
3777463604394098 ~1985
377747975549597 ~1982
3777601278031433710 ~1989
3777671302213698 ~1984
377797175559437 ~1982
3778067680052078 ~1985
3778087377808718 ~1984
3778241226694478 ~1984
377831975566397 ~1982
3778319680097438
377849975569997 ~1982
3778499680129838
3778531604564978 ~1985
377858375571677 ~1982
3778591377859118 ~1984
Exp. Prime Factor Digits Year
3778603377860318 ~1984
3778897226733838 ~1984
3778997302319778 ~1984
377918375583677 ~1982
3779249302339938 ~1984
3779329907038978 ~1985
3779473226768398 ~1984
37798131209540179 ~1985
377981975596397 ~1982
3779929907182978 ~1985
3780041226802478 ~1984
378008375601677 ~1982
378019175603837 ~1982
3780319680457438 ~1985
378050375610077 ~1982
3780559378055918 ~1984
3780793226847598 ~1984
3780857302468578 ~1984
37809291436753039 ~1985
3781087680595678 ~1985
3781277302502178 ~1984
3781303378130318 ~1984
3781387378138718 ~1984
3781457302516578 ~1984
3781507680671278 ~1985
Exp. Prime Factor Digits Year
37815172042019199 ~1986
37815433630281299 ~1986
378185975637197 ~1982
37819611210227539 ~1985
3781993226919598 ~1984
3782167605146738 ~1985
378245975649197 ~1982
3782897226973838 ~1984
37828976582240799
378311975662397 ~1982
3783391681010398 ~1985
378349175669837 ~1982
3783497227009838 ~1984
3783733832421278 ~1985
378401975680397 ~1982
3784057227043438 ~1984
378410375682077 ~1982
3784141605462578 ~1985
37841691816401139 ~1986
378419975683997 ~1982
3784241227054478 ~1984
378433175686637 ~1982
3784381227062878 ~1984
378449975689997 ~1982
3784657227079438 ~1984
Exp. Prime Factor Digits Year
3784657605545138
378469175693837 ~1982
3784747605559538 ~1985
3784813832658878 ~1985
378491975698397 ~1982
3785071681312798 ~1985
37851495450614579 ~1987
3785153908436738 ~1985
378529175705837 ~1982
3785549302843938 ~1984
378565175713037 ~1982
3785953908628738 ~1985
378613175722637 ~1982
3786271378627118 ~1984
3786481227188878 ~1984
3786493227189598 ~1984
3786689302935138 ~1984
3786703908808738 ~1985
37867491211759699 ~1985
378680375736077 ~1982
3786857530159998 ~1984
3787067302965378 ~1984
3787163984662398 ~1985
3787321227239278 ~1984
3787367984715438 ~1985
582
GIMPS The Prime Pages FactorDb.com
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25-09-07