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
61154111Factored
FactorDigitsBitsDate
223939665026072544175354607932994.22013-04-19 01:01:15
P-1 factors
DateFactorB1B2
2013-04-192239396650260725441753546079354000010260000
History
DateUserTypeResult
2022-03-29LordJuliusNF
no factor from 2^62 to 2^63
2013-04-19garoF-PM1
Factor: 22393966502607254417535460793
2012-05-03Craig MeyersNF
no factor from 2^69 to 2^73
2009-08-20korvaNF
no factor from 2^68 to 2^69
2009-08-16korvaNF
no factor from 2^67 to 2^68
2009-08-13-Anonymous-NF
no factor from 2^66 to 2^67
2009-07-29Frank BalzerNF
no factor from 2^65 to 2^66
2009-07-22xiaowuc1NF
no factor from 2^64 to 2^65
2009-06-15markrNF
no factor from 2^63 to 2^64