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
22252147Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 1200000
B2 = 1435861350
LL
StatusDateUserResidueShift
Verified2004-06-21Peter Klein6AF1BD980D26962A20317075
Verified2010-04-30-Anonymous-6AF1BD980D26962A20158743
History
DateUserTypeResult
2025-08-18ThaNF-PM1
B1=1200000, B2=1435861350
2023-02-27Sid & AndyNF
no factor from 2^72 to 2^73
2022-09-13Jon PaceNF
no factor from 2^71 to 2^72
2021-09-12mikrNF
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
2017-05-01ramgeisNF
no factor from 2^67 to 2^68
2010-04-30-Anonymous-C-LL
6AF1BD980D26962A