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

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MnStatusDetails
90073891Factored
FactorDigitsBitsDate
20508556917943821631779432580.82018-12-30 19:41:34
P-1 factors
DateFactorB1B2
2018-12-30205085569179438216317794373000013505000
History
DateUserTypeResult
2018-12-30Jwb52zF-PM1
Factor: 2050855691794382163177943 / (P-1, B1=730000, B2=13505000)
2018-12-03S36049NF
no factor from 2^75 to 2^76
2018-11-30S36049NF
no factor from 2^74 to 2^75
2018-02-25c10ck3rNF-PM1
B1=10000
2017-11-19Carsten KossendeyNF
no factor from 2^73 to 2^74
2016-07-18Carsten KossendeyNF
no factor from 2^72 to 2^73
2015-01-19Carsten KossendeyNF
no factor from 2^71 to 2^72
2015-01-06JakeWNF
no factor from 2^70 to 2^71
2011-01-14Carsten KossendeyNF
no factor from 2^69 to 2^70
2010-03-13Carsten KossendeyNF
no factor from 2^68 to 2^69
2009-05-25Carsten KossendeyNF
no factor from 2^67 to 2^68
2009-04-10Carsten KossendeyNF
no factor from 2^66 to 2^67