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

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MnStatusDetails
103767749Factored
FactorDigitsBitsDate
25684033821643964126763968132300933107.72021-05-07 11:20:26
P-1 factors
DateFactorB1B2
2021-05-0725684033821643964126763968132300987000018052500
History
DateUserTypeResult
2021-05-07Ben DeloF-PM1
Factor: 256840338216439641267639681323009 / (P-1, B1=870000, B2=18052500, E=12)
2021-01-221997rj7NF
no factor from 2^75 to 2^76
2021-01-19RichD0NF
no factor from 2^74 to 2^75
2019-09-11Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-09-11Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2014-12-26SMoffatNF
no factor from 2^71 to 2^72
2014-07-15-Anonymous-NF
no factor from 2^70 to 2^71
2014-07-07PhilNF
no factor from 2^69 to 2^70
2014-07-05arnaudNF
no factor from 2^68 to 2^69
2013-09-03Fabrice BelletNF
no factor from 2^67 to 2^68
2013-08-31Chang Chia-TcheNF
no factor from 2^66 to 2^67
2012-05-01omiXorpNF
no factor from 2^65 to 2^66
2010-08-29RichardNF
no factor from 2^64 to 2^65
2010-04-20RichardNF
no factor from 2^63 to 2^64