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

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MnStatusDetails
117881921Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6798173524417199339150632479.22023-05-19 01:05:20
P-1 factors
DateFactorB1B2
2023-05-1967981735244171993391506359000010620000
History
DateUserTypeResult
2023-05-19Smok_bmv F-PM1
Factor: 679817352441719933915063 / (P-1, B1=590000, B2=10620000)
2022-01-21Johan ViljoenNF
no factor from 2^76 to 2^77
2021-07-02TheJudgerNF
no factor from 2^75 to 2^76
2021-03-04hktNF
no factor from 2^74 to 2^75
2019-11-23Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-11-23Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-04-07endless_mikeNF
no factor from 2^71 to 2^72
2015-04-07endless_mikeNF
no factor from 2^70 to 2^71
2015-04-07endless_mikeNF
no factor from 2^69 to 2^70
2015-04-03Taz-i7NF
no factor from 2^68 to 2^69
2015-04-02XebecerNF
no factor from 2^67 to 2^68
2014-12-11ANONYMOUSNF
no factor from 2^66 to 2^67
2012-07-09sasaki3NF
no factor from 2^65 to 2^66
2010-10-12Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-12carlos56NF
no factor from 2^63 to 2^64