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
870999251Factored
FactorDigitsBitsDate
19206166099894053914872270.72017-03-12 21:28:16
History
DateUserTypeResult
2017-03-12ConductorF
Factor: 1920616609989405391487 / TF: 70-71
2016-08-22ramgeisNF
no factor from 2^68 to 2^70
2015-07-16sasakiNF
no factor from 2^67 to 2^68
2015-03-21sasakiNF
no factor from 2^66 to 2^67
2013-06-30america64NF
no factor from 2^65 to 2^66
2010-10-13Architects CubedNF
no factor from 2^64 to 2^65
2010-04-15Architects CubedNF
no factor from 2^63 to 2^64