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
186368381Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
86663858750388350054412272.92019-06-13 03:29:58
History
DateUserTypeResult
2019-06-13Smok_bmv F
Factor: 8666385875038835005441 / TF: 72-73
2017-11-25storm5510NF
no factor from 2^71 to 2^72
2017-11-09storm5510NF
no factor from 2^70 to 2^71
2017-11-09storm5510NF
no factor from 2^69 to 2^70
2016-11-14nate.andersNF
no factor from 2^68 to 2^69
2016-07-22tscNF
no factor from 2^67 to 2^68
2015-08-18Grant McCrackenNF
no factor from 2^66 to 2^67
2013-05-22Juergen KampmeierNF
no factor from 2^65 to 2^66
2011-04-04RichardNF
no factor from 2^64 to 2^65
2010-07-29carlos56NF
no factor from 2^63 to 2^64