Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
119728991Factored
FactorDigitsBitsDate
56514494050636517534191692582.22023-01-20 21:22:34
P-1 factors
DateFactorB1B2
2023-01-205651449405063651753419169527000527000
History
DateUserTypeResult
2023-01-20tottenhoffF-PM1
Factor: 5651449405063651753419169 / (P-1, B1=527000)
2022-05-22TheJudgerNF
no factor from 2^76 to 2^77
2021-07-09TheJudgerNF
no factor from 2^75 to 2^76
2021-07-09TheJudgerNF
no factor from 2^74 to 2^75
2021-04-21ixfd64NF
no factor from 2^73 to 2^74
2020-10-23SRBaseNF
no factor from 2^72 to 2^73
2015-06-04SMoffatNF
no factor from 2^71 to 2^72
2015-05-16SMoffatNF
no factor from 2^70 to 2^71
2015-05-08SMoffatNF
no factor from 2^69 to 2^70
2015-05-03SMoffatNF
no factor from 2^68 to 2^69
2015-04-28David HruskaNF
no factor from 2^67 to 2^68
2014-12-17Robert FolzNF
no factor from 2^66 to 2^67
2012-07-29RichardNF
no factor from 2^65 to 2^66
2010-10-17Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-22RichardNF
no factor from 2^63 to 2^64