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

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MnStatusDetails
90918851Factored
FactorDigitsBitsDate
45430286857825070045454072581.92019-04-08 17:49:32
P-1 factors
DateFactorB1B2
2019-04-0845430286857825070045454076850000
History
DateUserTypeResult
2019-04-08Jwb52zF-PM1
Factor: 4543028685782507004545407 / (P-1, B1=685000)
2019-01-27TheJudgerNF
no factor from 2^76 to 2^77
2018-12-09TheJudgerNF
no factor from 2^75 to 2^76
2018-12-09TheJudgerNF
no factor from 2^74 to 2^75
2018-12-09TheJudgerNF
no factor from 2^73 to 2^74
2017-08-28Carsten KossendeyNF
no factor from 2^72 to 2^73
2016-05-04Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-09-10PascalBieriNF
no factor from 2^70 to 2^71
2014-04-01SMoffatNF
no factor from 2^69 to 2^70
2013-06-24Carsten KossendeyNF
no factor from 2^68 to 2^69
2011-08-16Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-12-28Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-09-28Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-05-15Carsten KossendeyNF
no factor from 2^64 to 2^65