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

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MnStatusDetails
118327637Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3827160164035603763850054781199332104.92023-06-24 00:20:03
P-1 factors
DateFactorB1B2
2023-06-2438271601640356037638500547811993670000670000
History
DateUserTypeResult
2023-06-24WoodMan777F-PM1
Factor: 38271601640356037638500547811993 / (P-1, B1=670000)
2022-11-16Brent GoebelNF
no factor from 2^77 to 2^78
2022-02-21AerowNF
no factor from 2^76 to 2^77
2021-04-02jwnutterNF
no factor from 2^75 to 2^76
2021-04-02jwnutterNF
no factor from 2^74 to 2^75
2019-08-07Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2016-08-16snme2pm1NF
no factor from 2^72 to 2^73
2015-04-07La GüiraNF
no factor from 2^71 to 2^72
2014-11-18snme2pm1NF
no factor from 2^70 to 2^71
2014-07-26snme2pm1NF
no factor from 2^69 to 2^70
2014-07-14snme2pm1NF
no factor from 2^68 to 2^69
2014-06-24snme2pm1NF
no factor from 2^67 to 2^68
2014-06-16snme2pm1NF
no factor from 2^66 to 2^67
2012-07-14tscNF
no factor from 2^65 to 2^66
2010-10-13Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-13Mr-PlonkNF
no factor from 2^63 to 2^64