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
45803539Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 272
P-1
B1 = 1500000
B2 = 30000000
LL
StatusDateUserResidueShift
Verified2009-04-21dapikeA766A0CDC9176D7F13907068
Verified2018-07-09Sergey NosovA766A0CDC9176D7F18323959
History
DateUserTypeResult
2020-03-30Sid & AndyNF-PM1
B1=1500000, B2=30000000, E=6
2019-12-20-Anonymous-NF
no factor from 2^73 to 2^74
2018-07-09Sergey NosovC-LL
A766A0CDC9176D7F
2018-01-02-Anonymous-NF
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
2015-06-121997rj7NF
no factor from 2^69 to 2^70
2014-07-25VictordeHollanderNF
no factor from 2^68 to 2^69
2009-04-21dapikeC-LL
A766A0CDC9176D7F
2009-02-04dapikeNF-PM1
B1=780000