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
41412983Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 272
P-1
B1 = 395000
B2 = 3061250
LL
StatusDateUserResidueShift
Verified2009-07-09Team Prime Rib3D2FA179F92160B032025639
Verified2017-09-26Evgeniy Zavialov3D2FA179F92160B037299398
History
DateUserTypeResult
2023-10-26Smok_bmv NF
no factor from 2^74 to 2^75
2023-10-26Smok_bmv NF
no factor from 2^73 to 2^74
2022-05-14Sid & AndyNF
no factor from 2^72 to 2^73
2017-09-26Evgeniy ZavialovC-LL
3D2FA179F92160B0
2015-08-20AirSquirrelsNF
no factor from 2^71 to 2^72
2015-01-10srow7NF
no factor from 2^70 to 2^71
2015-01-09Mark RoseNF
no factor from 2^69 to 2^70
2009-07-09Team Prime RibC-LL
3D2FA179F92160B0