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
828005671Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
55092723761001576632392272.22019-11-30 23:56:56
History
DateUserTypeResult
2019-11-30Alex_soldierF
Factor: 5509272376100157663239 / TF: 72-73
2019-05-11JerryNF
no factor from 2^71 to 2^72
2019-05-04JerryNF
no factor from 2^70 to 2^71
2016-09-30ramgeisNF
no factor from 2^68 to 2^70
2015-10-05sasakiNF
no factor from 2^67 to 2^68
2015-01-11sasakiNF
no factor from 2^66 to 2^67
2012-03-18ALSNF
no factor from 2^65 to 2^66
2012-03-18ALSNF
no factor from 2^64 to 2^65
2010-07-17Architects CubedNF
no factor from 2^63 to 2^64