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
610405997Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
2798318984471749461832167.92016-11-07 16:06:43
History
DateUserTypeResult
2016-11-07NipalF
Factor: 279831898447174946183 / TF: 67-70
2014-01-24sasakiNF
no factor from 2^66 to 2^67
2014-01-24sasakiNF
no factor from 2^65 to 2^66