Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
87705131Factored
FactorDigitsBitsDate
34319728051680350733581492812891.52018-05-18 16:17:19
22822602144296650546831002247088237721739127.42018-05-18 16:17:20
P-1 factors
DateFactorB1B2
2018-05-18343197280516803507335814928175500018120000
2018-05-1822822602144296650546831002247088237721775500018120000
History
DateUserTypeResult
2018-05-18tServoF-PM1
Factor: 783265499023957881548531213997218633215579747148112498676839330977 / (P-1, B1=755000, B2=18120000, e=6, n=4800K)
2018-05-15Andrew BNF
no factor from 2^75 to 2^76
2018-05-15Andrew BNF
no factor from 2^74 to 2^75
2017-06-28gcardonaNF
no factor from 2^73 to 2^74
2017-06-24Sid & AndyNF
no factor from 2^72 to 2^73
2017-06-24Sid & AndyNF
no factor from 2^71 to 2^72
2013-09-23PEDNF
no factor from 2^70 to 2^71
2013-06-23ANONYMOUSNF
no factor from 2^69 to 2^70
2013-06-22ANONYMOUSNF
no factor from 2^68 to 2^69
2013-06-20ANONYMOUSNF
no factor from 2^67 to 2^68
2013-03-10Charles A. MorrisNF
no factor from 2^66 to 2^67
2013-03-07saffaNF
no factor from 2^65 to 2^66
2010-11-17Architects CubedNF
no factor from 2^64 to 2^65