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

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MnStatusDetails
72290189Factored
FactorDigitsBitsDate
104456639589916084748254732683.12015-03-15 15:57:36
P-1 factors
DateFactorB1B2
2015-03-15104456639589916084748254736200000
History
DateUserTypeResult
2015-03-15TheJudgerF-PM1
Factor: 10445663958991608474825473 / (P-1, B1=620000)
2015-03-01Craig MeyersNF
no factor from 2^71 to 2^75
2013-04-14SMoffatNF
no factor from 2^70 to 2^71
2012-10-30-Anonymous-NF
no factor from 2^69 to 2^70
2010-05-29J. HonessNF
no factor from 2^68 to 2^69
2010-05-22GrunwalderGIMPNF
no factor from 2^67 to 2^68
2010-05-20S00030NF
no factor from 2^66 to 2^67
2010-05-19S00030NF
no factor from 2^65 to 2^66
2010-05-17David BarleyNF
no factor from 2^64 to 2^65
2008-09-19Wojciech FlorekNF
no factor to 2^64