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

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MnStatusDetails
89218183Factored
FactorDigitsBitsDate
15789447448187612693755212580.42018-10-27 20:31:46
P-1 factors
DateFactorB1B2
2018-10-2715789447448187612693755217150000
History
DateUserTypeResult
2018-10-27Jwb52zF-PM1
Factor: 1578944744818761269375521 / (P-1, B1=715000)
2018-09-30TheJudgerNF
no factor from 2^75 to 2^76
2018-09-30TheJudgerNF
no factor from 2^74 to 2^75
2017-08-23Brian BeuningNF
no factor from 2^73 to 2^74
2017-08-18Matthias WurtingerNF
no factor from 2^72 to 2^73
2017-07-07monstNF
no factor from 2^71 to 2^72
2013-09-22SMoffatNF
no factor from 2^70 to 2^71
2013-07-27SMoffatNF
no factor from 2^69 to 2^70
2013-07-24SMoffatNF
no factor from 2^68 to 2^69
2013-03-29Smok_bmv NF
no factor from 2^67 to 2^68
2013-03-27-Anonymous-NF
no factor from 2^66 to 2^67
2013-03-17-Anonymous-NF
no factor from 2^65 to 2^66
2010-11-08Architects CubedNF
no factor from 2^64 to 2^65