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

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MnStatusDetails
90507617Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1727595455196378246929992477.22019-01-24 03:47:15
P-1 factors
DateFactorB1B2
2019-01-2417275954551963782469299969000012937500
History
DateUserTypeResult
2024-05-21James HeinrichNF
no factor from 2^68 to 2^69
2019-01-24ky0urakuF-PM1
Factor: 172759545519637824692999 / (P-1, B1=690000, B2=12937500, E=6)
2019-01-19tServoNF
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
2018-10-20gcardonaNF
no factor from 2^73 to 2^74
2017-02-23Carsten KossendeyNF
no factor from 2^72 to 2^73
2016-02-21Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-09-05SMoffatNF
no factor from 2^70 to 2^71
2014-03-31SMoffatNF
no factor from 2^69 to 2^70
2012-06-15Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-08-07Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-11-25Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-07-01Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-03-30Carsten KossendeyNF
no factor from 2^64 to 2^65