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
20297759Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 269
P-1
B1 = 245000
B2 = 5880000
LL
StatusDateUserResidueShift
Verified2003-12-13Martin DiekhoffFC7905A07D473FB718457136
Verified2008-03-05BoulderFC7905A07D473FB717560985
Verified2008-04-25JeremyFC7905A07D473FB76956725
History
DateUserTypeResult
2021-12-16-Anonymous-NF
no factor from 2^73 to 2^74
2021-09-021997rj7NF
no factor from 2^72 to 2^73
2021-09-021997rj7NF
no factor from 2^71 to 2^72
2021-09-021997rj7NF
no factor from 2^70 to 2^71
2018-03-03ramgeisNF
no factor from 2^69 to 2^70
2017-11-05VictordeHollanderNF
no factor from 2^68 to 2^69
2017-05-01ramgeisNF
no factor from 2^67 to 2^68
2015-02-16NRNF
no factor from 2^66 to 2^67