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
44570431Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 535000
B2 = 14177500
LL
StatusDateUserResidueShift
Verified2011-06-04Dirk ZelmanskiB5F180AC624683DF24070284
Verified2018-06-20GrunwalderGIMPB5F180AC624683DF19016572
History
DateUserTypeResult
2024-07-18Joe S.NF
no factor from 2^68 to 2^69
2018-06-20GrunwalderGIMPC-LL
B5F180AC624683DF
2018-04-02LingUaanNF
no factor from 2^72 to 2^73
2015-10-02-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-02-Anonymous-NF
no factor from 2^70 to 2^71
2015-08-07LaurVNF
no factor from 2^69 to 2^70
2014-05-19Architects CubedNF
no factor from 2^68 to 2^69
2011-06-04Dirk ZelmanskiC-LL
B5F180AC624683DF
2011-05-17Dirk ZelmanskiNF-PM1
B1=535000, B2=14177500, E=6