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
44949701Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 530000
B2 = 12985000
LL
StatusDateUserResidueShift
Verified2009-05-24MCASDD809C678742728F20369498
Verified2017-04-28Judge HaleDD809C678742728F10371806
History
DateUserTypeResult
2024-08-15tbusbyNF
no factor from 2^69 to 2^70
2024-06-25GregNF
no factor from 2^71 to 2^72
2024-06-25GregNF
no factor from 2^70 to 2^71
2018-05-23ktonyNF
no factor from 2^72 to 2^73
2017-04-28Judge HaleC-LL
DD809C678742728F
2015-10-25-Anonymous-NF
no factor from 2^71 to 2^72
2015-10-25-Anonymous-NF
no factor from 2^70 to 2^71
2015-07-16Architects CubedNF
no factor from 2^69 to 2^70
2014-07-11chalsallNF
no factor from 2^68 to 2^69
2009-05-24MCASC-LL
DD809C678742728F
2009-02-16ShuangNF-PM1
B1=530000, B2=12985000