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
918786571Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1920152032829956470732167.42016-09-23 20:29:05
History
DateUserTypeResult
2016-09-23Alex_soldierF
Factor: 192015203282995647073 / TF: 67-68*
2015-10-09Alex_soldierNF
no factor from 2^66 to 2^67
2013-05-29ramgeisNF
no factor from 2^65 to 2^66
2011-09-15lindedNF
no factor from 2^64 to 2^65
2010-07-21lindedNF
no factor from 2^63 to 2^64