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

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MnStatusDetails
71952319Factored
FactorDigitsBitsDate
877257536080352825670354456509493567137122.72015-03-12 23:13:53
P-1 factors
DateFactorB1B2
2015-03-12877257536080352825670354456509493567162000012245000
History
DateUserTypeResult
2015-03-12NesowaF-PM1
Factor: 8772575360803528256703544565094935671 / (P-1, B1=620000, B2=12245000, E=12)
2015-03-08fre_gamesNF
no factor from 2^74 to 2^75
2015-02-18NickOfTimeNF
no factor from 2^73 to 2^74
2015-02-18NickOfTimeNF
no factor from 2^72 to 2^73
2015-02-11RichD0NF
no factor from 2^71 to 2^72
2012-11-23SMorganNF
no factor from 2^70 to 2^71
2012-08-16-Anonymous-NF
no factor to 2^70
2010-05-25KivNF
no factor from 2^68 to 2^69
2010-05-24-Anonymous-NF
no factor from 2^67 to 2^68
2010-05-16jnayegandhiNF
no factor from 2^66 to 2^67
2010-05-14angel63NF
no factor from 2^65 to 2^66
2010-05-03wavelet3000NF
no factor from 2^64 to 2^65
2008-10-07Wojciech FlorekNF
no factor to 2^64