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
661001183Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
41377736805829794961612271.82020-02-08 03:13:03
History
DateUserTypeResult
2020-02-08Smok_bmv F
Factor: 4137773680582979496161 / TF: 71-72
2018-12-04Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2017-04-21Smok_bmv NF
no factor from 2^68 to 2^70
2016-11-28ConductorNF
no factor from 2^67 to 2^68
2014-03-24sasakiNF
no factor from 2^66 to 2^67
2013-12-15sasakiNF
no factor from 2^65 to 2^66
2012-01-23tscNF
no factor from 2^64 to 2^65
2010-06-16Architects CubedNF
no factor from 2^63 to 2^64