Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
34746097Factored
FactorDigitsBitsDate
28804388616548710105212271.32015-07-26 17:48:09
LL
StatusDateUserResidueShift
Verified (Factored)2005-11-27Solomon WuCCBBEEA98D3FB3B517599835
Verified (Factored)2015-07-25S485122F9DACE02643AA11D19186241
P-1 factors
DateFactorB1B2
2015-07-26288043886165487101052165000015500000
History
DateUserTypeResult
2024-03-02S485122C-LL
F9DACE02643AA11D
2015-07-26riccardo ubertiF-PM1
Factor: 2880438861654871010521 / (P-1, B1=650000, B2=15500000, E=12)
2015-07-25S485122C-LL
F9DACE02643AA11D
2014-08-29Mark RoseNF
no factor from 2^70 to 2^71
2014-07-20VictordeHollanderNF
no factor from 2^69 to 2^70
2013-08-06Carsten KossendeyNF
no factor from 2^68 to 2^69