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

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MnStatusDetails
90458531Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7907002097873558373958341602560195935115.92019-02-14 18:36:28
P-1 factors
DateFactorB1B2
2019-02-147907002097873558373958341602560195967000010887500
History
DateUserTypeResult
2024-06-15James HeinrichNF
no factor from 2^68 to 2^69
2019-02-14Smok_bmv F-PM1
Factor: 79070020978735583739583416025601959 / (P-1, B1=670000, B2=10887500)
2019-01-27TheJudgerNF
no factor from 2^76 to 2^77
2018-12-02TheJudgerNF
no factor from 2^75 to 2^76
2018-12-02TheJudgerNF
no factor from 2^74 to 2^75
2018-11-08Carsten KossendeyNF
no factor from 2^73 to 2^74
2017-02-04Carsten KossendeyNF
no factor from 2^72 to 2^73
2016-02-07Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-09-05kutensNF
no factor from 2^70 to 2^71
2014-04-06Andreas_TruetschNF
no factor from 2^69 to 2^70
2013-06-26Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-08-23Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-12-28Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-09-27Carsten KossendeyNF
no factor from 2^65 to 2^66