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

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MnStatusDetails
90455291Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
106615818301458478267612812683.12019-02-08 16:45:49
P-1 factors
DateFactorB1B2
2019-02-08106615818301458478267612816900000
History
DateUserTypeResult
2024-05-16James HeinrichNF
no factor from 2^68 to 2^69
2019-02-08ky0urakuF-PM1
Factor: 10661581830145847826761281 / (P-1, B1=690000)
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
2014-12-04Smok_bmv NF
no factor from 2^70 to 2^71
2014-07-27trifNF
no factor from 2^69 to 2^70
2011-03-08Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-01-19Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-11-22Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-08-11Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-08-10Carsten KossendeyNF
no factor from 2^64 to 2^65