Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
99716341Factored
FactorDigitsBitsDate
21493717775831761146785292580.82020-07-26 15:40:47
P-1 factors
DateFactorB1B2
2020-07-26214937177758317611467852977500014918750
History
DateUserTypeResult
2020-07-26SuperbobF-PM1
Factor: 2149371777583176114678529 / (P-1, B1=775000, B2=14918750, E=6)
2020-07-24ChuckNF
no factor from 2^76 to 2^77
2020-04-29TheJudgerNF
no factor from 2^75 to 2^76
2020-03-20JoDuNF
no factor from 2^74 to 2^75
2019-12-19el groccoNF
no factor from 2^73 to 2^74
2019-03-29Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2013-12-28SMoffatNF
no factor from 2^71 to 2^72
2013-09-07arnaudNF
no factor from 2^70 to 2^71
2013-09-03arnaudNF
no factor from 2^69 to 2^70
2013-08-30arnaudNF
no factor from 2^68 to 2^69
2013-08-26RobishNF
no factor from 2^67 to 2^68
2013-08-15america64NF
no factor from 2^66 to 2^67
2012-07-09Jimmy BrüggemannNF
no factor from 2^65 to 2^66
2010-09-201997rj7NF
no factor from 2^64 to 2^65