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
45163333Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 1230000
B2 = 77194530
LL
StatusDateUserResidueShift
Verified2010-02-09WR6655C796E6DE65A512894698
Verified2018-05-16Sergey Nosov6655C796E6DE65A537193879
History
DateUserTypeResult
2025-05-03NStormNF-PM1
B1=1230000, B2=77194530
2018-05-16Sergey NosovC-LL
6655C796E6DE65A5
2017-11-23One ManNF
no factor from 2^72 to 2^73
2015-11-06-Anonymous-NF
no factor from 2^71 to 2^72
2015-11-06-Anonymous-NF
no factor from 2^70 to 2^71
2010-02-09WRC-LL
6655C796E6DE65A5
2009-07-26-Anonymous-NF-PM1
B1=615000
2009-07-21-Anonymous-NF
no factor to 2^70