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
915023833Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6215085100009248398632169.12017-12-21 20:37:28
History
DateUserTypeResult
2017-12-21ConductorF
Factor: 621508510000924839863 / TF: 69-70
2017-03-09sasakiNF
no factor from 2^68 to 2^69
2016-07-16ConductorNF
no factor from 2^67 to 2^68
2015-12-03NoPolarBearsHereNF
no factor from 2^66 to 2^67
2013-05-24ramgeisNF
no factor from 2^65 to 2^66
2011-10-08lindedNF
no factor from 2^64 to 2^65
2010-06-23lindedNF
no factor from 2^63 to 2^64