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
562055083Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
43039086979633812205992271.92020-02-04 03:25:24
History
DateUserTypeResult
2025-04-06James HeinrichF
Factor: 4303908697963381220599 / TF: 71-72
2020-02-04Smok_bmv F
Factor: 4303908697963381220599 / TF: 71-72*
2020-01-08sasakiNF
no factor from 2^70 to 2^71
2018-04-12YxinityNF
no factor from 2^69 to 2^70
2018-04-11sasakiNF
no factor from 2^68 to 2^69
2016-12-10sasakiNF
no factor from 2^67 to 2^68
2015-11-04sasakiNF
no factor from 2^66 to 2^67
2014-05-23sasakiNF
no factor from 2^65 to 2^66
2012-01-06lindeeNF
no factor from 2^64 to 2^65
2010-03-06Architects CubedNF
no factor from 2^63 to 2^64