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
33853241Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 271
P-1
B1 = 460000
B2 = 9085000
LL
StatusDateUserResidueShift
Verified2004-07-26John Airey31A93B014F19F6B018156410
Verified2015-01-29The Mawn31A93B014F19F6B017359986
History
DateUserTypeResult
2020-03-08-Anonymous-NF
no factor from 2^73 to 2^74
2019-11-08-Anonymous-NF
no factor from 2^72 to 2^73
2019-10-21Architects CubedNF-PM1
B1=460000, B2=9085000, E=12
2019-10-04Architects CubedNF
no factor from 2^71 to 2^72
2015-01-29The MawnC-LL
31A93B014F19F6B0
2014-05-04Bill StaffenNF
no factor from 2^70 to 2^71
2012-12-22Jerry HallettNF
no factor from 2^68 to 2^70