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

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MnStatusDetails
84874343Factored
FactorDigitsBitsDate
12388356977936376177357292580.02017-12-06 09:47:06
P-1 factors
DateFactorB1B2
2017-12-0612388356977936376177357296800000
History
DateUserTypeResult
2017-12-06EthanDF-PM1
Factor: 1238835697793637617735729 / (P-1, B1=680000)
2017-06-25TheJudgerNF
no factor from 2^75 to 2^76
2017-06-14Brian BeuningNF
no factor from 2^74 to 2^75
2017-05-12-Anonymous-NF
no factor from 2^73 to 2^74
2017-02-14Judge HaleNF
no factor from 2^72 to 2^73
2017-02-14Judge HaleNF
no factor from 2^71 to 2^72
2014-11-25wombatmanNF
no factor from 2^70 to 2^71
2014-08-15Ryan PropperNF
no factor from 2^69 to 2^70
2014-08-14Ryan PropperNF
no factor from 2^68 to 2^69
2014-04-10Preben SNF
no factor from 2^67 to 2^68
2013-06-13willmoreNF
no factor from 2^66 to 2^67
2012-08-13Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-22Architects CubedNF
no factor from 2^64 to 2^65