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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
90284933Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1881210172826123085412593912787.32019-01-08 23:18:36
P-1 factors
DateFactorB1B2
2019-01-0818812101728261230854125939173000013505000
History
DateUserTypeResult
2024-05-16James HeinrichNF
no factor from 2^68 to 2^69
2019-01-08ky0urakuF-PM1
Factor: 188121017282612308541259391 / (P-1, B1=730000, B2=13505000)
2018-11-25TheJudgerNF
no factor from 2^75 to 2^76
2018-11-25TheJudgerNF
no factor from 2^74 to 2^75
2018-04-05Carsten KossendeyNF
no factor from 2^73 to 2^74
2016-10-31Carsten KossendeyNF
no factor from 2^72 to 2^73
2015-11-22Carsten KossendeyNF
no factor from 2^71 to 2^72
2014-11-18shaugeNF
no factor from 2^70 to 2^71
2013-11-25Carsten KossendeyNF
no factor from 2^69 to 2^70
2011-05-27Carsten KossendeyNF
no factor from 2^68 to 2^69
2010-12-29Carsten KossendeyNF
no factor from 2^67 to 2^68
2010-11-20Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-07-06Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-06-07Carsten KossendeyNF
no factor from 2^64 to 2^65