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

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MnStatusDetails
90710449Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
42359576185895603233839612581.82019-02-28 10:21:30
P-1 factors
DateFactorB1B2
2019-02-28423595761858956032338396169500013031250
History
DateUserTypeResult
2024-05-16James HeinrichNF
no factor from 2^68 to 2^69
2019-02-28ky0urakuF-PM1
Factor: 4235957618589560323383961 / (P-1, B1=695000, B2=13031250, E=6)
2019-01-27TheJudgerNF
no factor from 2^76 to 2^77
2018-12-02Strolling JellyfishNF
no factor from 2^75 to 2^76
2018-12-02Strolling JellyfishNF
no factor from 2^74 to 2^75
2018-12-01gcardonaNF
no factor from 2^73 to 2^74
2018-03-29c10ck3rNF-PM1
B1=10000
2017-06-01Carsten KossendeyNF
no factor from 2^72 to 2^73
2016-04-13Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-09-28webbertNF
no factor from 2^70 to 2^71
2014-06-02SMoffatNF
no factor from 2^69 to 2^70
2011-06-26Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-01-03Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-11-08Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-07-04Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-05-13Carsten KossendeyNF
no factor from 2^64 to 2^65