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
33853129Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 271
P-1
B1 = 385000
B2 = 8470000
LL
StatusDateUserResidueShift
Verified2004-11-22Mick H.A5FEA2770B5C577E26578742
Verified2015-02-19Ivan DimitrijevicA5FEA2770B5C577E16180142
History
DateUserTypeResult
2020-03-08-Anonymous-NF
no factor from 2^73 to 2^74
2019-11-15-Anonymous-NF
no factor from 2^72 to 2^73
2019-11-15-Anonymous-NF
no factor from 2^71 to 2^72
2015-02-19Ivan DimitrijevicC-LL
A5FEA2770B5C577E
2014-05-05Bill StaffenNF
no factor from 2^70 to 2^71
2012-12-22Jerry HallettNF
no factor from 2^68 to 2^70