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
39013361Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 272
P-1
B1 = 510000
B2 = 10072500
LL
StatusDateUserResidueShift
Verified2009-12-16-Anonymous-F20527C22E4162FC35440952
Verified2016-10-15Alfred WasielewskiF20527C22E4162FC9568774
History
DateUserTypeResult
2024-05-29LaurVNF
no factor from 2^68 to 2^69
2019-12-09Architects CubedNF-PM1
B1=510000, B2=10072500, E=12
2019-10-11-Anonymous-NF
no factor from 2^72 to 2^73
2018-12-08monstNF
no factor from 2^71 to 2^72
2016-10-15Alfred WasielewskiC-LL
F20527C22E4162FC
2014-11-28srow7NF
no factor from 2^70 to 2^71
2014-11-18NRNF
no factor from 2^69 to 2^70
2013-09-22Carsten KossendeyNF
no factor from 2^68 to 2^69
2009-12-16-Anonymous-C-LL
F20527C22E4162FC
2009-05-08-Anonymous-NF-PM1
B1=620000