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
22782751Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 269
P-1
B1 = 260000
B2 = 5200000
LL
StatusDateUserResidueShift
Verified2004-05-11Mark A. Smith2AFF51F29D96A1C718099447
Verified2009-10-12Team Prime Rib2AFF51F29D96A1C712568283
History
DateUserTypeResult
2021-09-16TheJudgerNF
no factor from 2^73 to 2^74
2021-09-06TheJudgerNF
no factor from 2^72 to 2^73
2021-09-06TheJudgerNF
no factor from 2^71 to 2^72
2021-09-06TheJudgerNF
no factor from 2^70 to 2^71
2017-08-21ramgeisNF
no factor from 2^69 to 2^70
2017-08-21ramgeisNF
no factor from 2^68 to 2^69
2017-05-01ramgeisNF
no factor from 2^67 to 2^68
2009-10-12Reboot ItC-LL
2AFF51F29D96A1C7