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
377779187Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
77869800413927753747692272.72020-12-22 17:01:36
History
DateUserTypeResult
2020-12-22Ruslan BorisovF
Factor: 7786980041392775374769 / TF: 72-73
2020-08-01SRBaseNF
no factor from 2^71 to 2^72
2020-05-24SRBaseNF
no factor from 2^70 to 2^71
2019-02-04sasakiNF
no factor from 2^69 to 2^70
2019-02-04Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2018-08-29Chabot PrimeNF
no factor from 2^68 to 2^69
2017-01-25XolotlNF
no factor from 2^67 to 2^68
2016-04-04NapthusNF
no factor from 2^66 to 2^67
2014-04-12Andrew BNF
no factor from 2^65 to 2^66
2011-03-10Architects CubedNF
no factor from 2^64 to 2^65