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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
883772569Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
216387205057944628774072374.22024-06-26 14:07:24
History
DateUserTypeResult
2025-05-12GregF
Factor: 21638720505794462877407 / TF: 74-75
2024-06-26SRBaseF
Factor: 21638720505794462877407 / TF: 74-75*
2022-12-12SRBaseNF
no factor from 2^73 to 2^74
2021-06-19SRBaseNF
no factor from 2^72 to 2^73
2020-10-15SRBaseNF
no factor from 2^71 to 2^72
2019-07-08srow7NF
no factor from 2^70 to 2^71
2016-10-03ramgeisNF
no factor from 2^68 to 2^70
2015-11-21sasakiNF
no factor from 2^67 to 2^68
2015-04-07sasakiNF
no factor from 2^66 to 2^67
2013-08-09america64NF
no factor from 2^65 to 2^66
2010-10-27Architects CubedNF
no factor from 2^64 to 2^65
2010-04-19Architects CubedNF
no factor from 2^63 to 2^64