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
196494499Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
50783810987250992548012272.12019-06-07 04:30:49
History
DateUserTypeResult
2019-06-07Smok_bmv F
Factor: 5078381098725099254801 / TF: 72-73*
2019-03-24lobsterfordinnerNF
no factor from 2^71 to 2^72
2019-02-02Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-12-17Chabot PrimeNF
no factor from 2^69 to 2^70
2017-09-02el groccoNF
no factor from 2^68 to 2^69
2016-01-24laleraNF
no factor from 2^67 to 2^68
2015-09-14Jason UNF
no factor from 2^66 to 2^67
2013-07-02RichardNF
no factor from 2^65 to 2^66
2011-04-22Damian SilvestreNF
no factor from 2^64 to 2^65
2010-08-07sasaki3NF
no factor from 2^63 to 2^64