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

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MnStatusDetails
108204611Factored
FactorDigitsBitsDate
61496135682701721866119932582.32021-02-24 00:43:06
P-1 factors
DateFactorB1B2
2021-02-24614961356827017218661199355000005500000
History
DateUserTypeResult
2021-02-24Tom XueF-PM1
Factor: 6149613568270172186611993 / (P-1, B1=5500000)
2020-10-20ktonyNF
no factor from 2^75 to 2^76
2020-10-20ktonyNF
no factor from 2^74 to 2^75
2019-11-13Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-11-13Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2019-01-20Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-11-20Special_EdNF
no factor from 2^70 to 2^71
2014-11-12wombatmanNF
no factor from 2^69 to 2^70
2014-11-12webbertNF
no factor from 2^68 to 2^69
2014-11-11webbertNF
no factor from 2^67 to 2^68
2014-07-23]mh[ VirtekNF
no factor from 2^66 to 2^67
2012-05-23omiXorpNF
no factor from 2^65 to 2^66
2010-09-09sasaki3NF
no factor from 2^64 to 2^65
2010-04-26hustensaftNF
no factor from 2^63 to 2^64