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

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MnStatusDetails
89873389Factored
FactorDigitsBitsDate
1151521317357312536545032476.62018-12-31 01:13:06
P-1 factors
DateFactorB1B2
2018-12-3111515213173573125365450373000014782500
History
DateUserTypeResult
2018-12-31Oliver KruseF-PM1
Factor: 115152131735731253654503 / (P-1, B1=730000, B2=14782500, E=12)
2018-11-04TheJudgerNF
no factor from 2^75 to 2^76
2018-11-04TheJudgerNF
no factor from 2^74 to 2^75
2017-10-29gcardonaNF
no factor from 2^73 to 2^74
2017-10-29gcardonaNF
no factor from 2^72 to 2^73
2017-10-29gcardonaNF
no factor from 2^71 to 2^72
2014-11-30JakeWNF
no factor from 2^70 to 2^71
2014-04-04-Anonymous-NF
no factor from 2^69 to 2^70
2014-01-28arnaudNF
no factor from 2^68 to 2^69
2013-07-23Norman LeyNF
no factor from 2^67 to 2^68
2013-04-08SMoffatNF
no factor from 2^66 to 2^67
2013-03-24Charles A. MorrisNF
no factor from 2^65 to 2^66
2010-11-12Architects CubedNF
no factor from 2^64 to 2^65