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
196476617Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
51311368006711597518412272.12020-01-31 10:26:19
History
DateUserTypeResult
2020-01-31yponomarevF
Factor: 5131136800671159751841 / TF: 72-73
2020-01-31La GüiraNF
no factor from 2^71 to 2^72
2019-02-02Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2018-12-16Chabot 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
2015-10-19rubikvn2100NF
no factor from 2^66 to 2^67
2013-06-28tscNF
no factor from 2^65 to 2^66
2011-04-22sasaki3NF
no factor from 2^64 to 2^65
2010-08-08carlos56NF
no factor from 2^63 to 2^64