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

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MnStatusDetails
90647771Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
26772727997866351709645126332891.12019-02-20 23:33:49
P-1 factors
DateFactorB1B2
2019-02-20267727279978663517096451263369500012683750
History
DateUserTypeResult
2024-05-16James HeinrichNF
no factor from 2^68 to 2^69
2019-02-20alexF-PM1
Factor: 2677272799786635170964512633 / (P-1, B1=695000, B2=12683750)
2019-01-20TheJudgerNF
no factor from 2^76 to 2^77
2018-12-07William F. Garnett IIINF
no factor from 2^75 to 2^76
2018-12-07William F. Garnett IIINF
no factor from 2^74 to 2^75
2018-12-07William F. Garnett IIINF
no factor from 2^73 to 2^74
2017-04-28Carsten KossendeyNF
no factor from 2^72 to 2^73
2015-01-19Carsten KossendeyNF
no factor from 2^71 to 2^72
2015-01-19Carsten KossendeyNF
no factor from 2^70 to 2^71
2014-04-06-Anonymous-NF
no factor from 2^69 to 2^70
2012-05-26Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-08-22Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-11-26Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-10-27Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-04-10Carsten KossendeyNF
no factor from 2^64 to 2^65