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
722183383Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
43758864714673042118332271.92019-07-18 04:24:41
History
DateUserTypeResult
2025-04-09James HeinrichF
Factor: 4375886471467304211833 / TF: 71-72
2019-07-18Smok_bmv F
Factor: 4375886471467304211833 / TF: 71-72*
2019-07-18Smok_bmv NF
no factor from 2^70 to 2^71
2015-03-26monstNF
no factor from 2^66 to 2^70
2012-01-27monstNF
no factor from 2^65 to 2^66
2011-03-05monstNF
no factor from 2^64 to 2^65
2010-07-28Architects CubedNF
no factor from 2^63 to 2^64