Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
101535541Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
285065520924868750083895212684.62020-12-09 12:01:02
P-1 factors
DateFactorB1B2
2020-12-092850655209248687500838952110000001000000
History
DateUserTypeResult
2020-12-09KrieselF-PM1
Factor: 28506552092486875008389521 / (P-1, B1=1000000)
2020-10-10TheJudgerNF
no factor from 2^75 to 2^76
2020-10-10TheJudgerNF
no factor from 2^74 to 2^75
2020-03-23Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-03-23Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2017-10-01el groccoNF
no factor from 2^71 to 2^72
2014-03-25hkskypNF
no factor from 2^70 to 2^71
2014-03-24hkskypNF
no factor from 2^69 to 2^70
2013-12-16Per JessenNF
no factor from 2^68 to 2^69
2013-08-28cosmicsmNF
no factor from 2^67 to 2^68
2013-08-26cosmicsmNF
no factor from 2^66 to 2^67
2012-04-16Le ComteNF
no factor from 2^65 to 2^66
2010-08-14Jud McCranieNF
no factor from 2^64 to 2^65
2010-04-051997rj7NF
no factor from 2^63 to 2^64