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
800228729Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
32511083730873541067272271.52019-11-13 19:10:02
History
DateUserTypeResult
2019-11-13ConductorF
Factor: 3251108373087354106727 / TF: 71-72
2019-11-13ConductorNF
no factor from 2^70 to 2^71
2016-08-16ramgeisNF
no factor from 2^68 to 2^70
2015-05-11sasakiNF
no factor from 2^67 to 2^68
2014-11-11sasakiNF
no factor from 2^66 to 2^67
2013-10-15america64NF
no factor from 2^65 to 2^66
2010-09-28Architects CubedNF
no factor from 2^64 to 2^65
2010-04-04Architects CubedNF
no factor from 2^63 to 2^64