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
22284001Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
14813870386626139114263538572890.32025-09-13 21:05:55
LL
StatusDateUserResidueShift
Verified (Factored)2004-02-07Vassilo Walluschnig0C47ADD5F136F18D22130960
Verified (Factored)2009-07-11Reboot It0C47ADD5F136F18D9908080
P-1 factors
DateFactorB1B2
2025-09-13148138703866261391142635385712000001435861350
History
DateUserTypeResult
2025-09-13ThaF-PM1
Factor: 1481387038662613911426353857 / (P-1, B1=1200000, B2=1435861350)
2023-02-27RichD0NF
no factor from 2^72 to 2^73
2022-09-08Jon PaceNF
no factor from 2^71 to 2^72
2021-09-17mikrNF
no factor from 2^70 to 2^71
2017-05-14ramgeisNF
no factor from 2^69 to 2^70
2017-05-14ramgeisNF
no factor from 2^68 to 2^69
2017-04-28ramgeisNF
no factor from 2^67 to 2^68
2009-07-11Reboot ItC-LL
0C47ADD5F136F18D