Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
913333387Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
55646118158992169771292272.22017-12-14 13:59:17
History
DateUserTypeResult
2017-12-14ConductorF
Factor: 5564611815899216977129 / TF: 72-73
2017-12-14ConductorNF
no factor from 2^71 to 2^72
2017-12-14ConductorNF
no factor from 2^69 to 2^71
2017-02-27sasakiNF
no factor from 2^68 to 2^69
2016-07-13ConductorNF
no factor from 2^67 to 2^68
2015-04-17Gordon SpenceNF
no factor from 2^66 to 2^67
2013-05-02ramgeisNF
no factor from 2^65 to 2^66
2011-10-22lindedNF
no factor from 2^64 to 2^65
2010-06-28lindedNF
no factor from 2^63 to 2^64