Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
45386599Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 272
P-1
B1 = 470000
B2 = 3995000
LL
StatusDateUserResidueShift
Verified2009-04-01Jacques X. Charles62AAD2141BD0765621709091
Verified2017-05-28Jouni Makkonen62AAD2141BD0765640437885
History
DateUserTypeResult
2020-04-08Sid & AndyNF
no factor from 2^74 to 2^75
2019-12-23-Anonymous-NF
no factor from 2^73 to 2^74
2018-07-29-Anonymous-NF
no factor from 2^72 to 2^73
2017-05-28Jouni MakkonenC-LL
62AAD2141BD07656
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
2015-08-18Bruno VictalNF
no factor from 2^69 to 2^70
2014-08-10VictordeHollanderNF
no factor from 2^68 to 2^69
2009-04-01Jacques X. CharlesC-LL
62AAD2141BD07656
2009-02-11Jacques X. CharlesNF-PM1
B1=470000, B2=3995000