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

PrimeNet Exponent Status

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MnStatusDetails
143489579Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
20869595851563756211912270.82016-11-09 13:15:33
History
DateUserTypeResult
2025-04-26James HeinrichF
Factor: 2086959585156375621191 / TF: 70-71
2016-11-09d3zorgF
Factor: 2086959585156375621191 / TF: 70-71
2016-04-30La GüiraNF
no factor from 2^69 to 2^70
2016-04-30La GüiraNF
no factor from 2^68 to 2^69
2016-03-31dbaughNF
no factor from 2^67 to 2^68
2015-02-26HBendtzNF
no factor from 2^66 to 2^67
2012-12-17GrunwalderGIMPNF
no factor from 2^65 to 2^66
2010-12-20sasaki3NF
no factor from 2^64 to 2^65
2010-06-17Torchwood InstituteNF
no factor from 2^63 to 2^64