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
640142383Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
42353752400349341270892271.82020-01-16 14:37:51
History
DateUserTypeResult
2020-01-16Smok_bmv F
Factor: 4235375240034934127089 / TF: 71-72
2020-01-16Smok_bmv NF
no factor from 2^70 to 2^71
2018-09-13Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2017-04-26sasakiNF
no factor from 2^68 to 2^69
2017-01-15sasakiNF
no factor from 2^67 to 2^68
2014-05-27sasakiNF
no factor from 2^66 to 2^67
2014-03-29america64NF
no factor from 2^65 to 2^66
2010-10-28Architects CubedNF
no factor from 2^64 to 2^65
2010-07-30Architects CubedNF
no factor from 2^63 to 2^64