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
61478359Factored
FactorDigitsBitsDate
8390882852194040748763192479.52013-05-08 14:10:48
P-1 factors
DateFactorB1B2
2013-05-0883908828521940407487631958500012138750
History
DateUserTypeResult
2022-03-29LordJuliusNF
no factor from 2^62 to 2^63
2013-05-08James HeinrichF-PM1
Factor: 839088285219404074876319
2013-02-13Tom DuellNF
no factor from 2^72 to 2^73
2013-02-13Tom DuellNF
no factor from 2^71 to 2^72
2012-08-27SWL551NF
no factor from 2^70 to 2^71
2011-11-21driveByUpgradesNF
no factor from 2^69 to 2^70
2009-07-15RogerNF
no factor from 2^68 to 2^69
2009-04-08tmorrowNF
no factor from 2^67 to 2^68
2009-04-07tmorrowNF
no factor from 2^66 to 2^67
2009-04-06tmorrowNF
no factor from 2^65 to 2^66
2009-04-05tmorrowNF
no factor from 2^64 to 2^65
2009-04-04bayanneNF
no factor from 2^63 to 2^64