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
23101387Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 275000
B2 = 6668750
LL
StatusDateUserResidueShift
Verified2004-03-16Upper Silesia321942D920AEFB2C7093931
Verified2008-11-16PaJaSoft321942D920AEFB2C18849693
History
DateUserTypeResult
2022-08-20Naegi MakotoNF
no factor from 2^72 to 2^73
2022-08-20Naegi MakotoNF
no factor from 2^71 to 2^72
2021-04-03yoyorocks1NF
no factor from 2^70 to 2^71
2017-08-25ramgeisNF
no factor from 2^69 to 2^70
2017-08-25ramgeisNF
no factor from 2^68 to 2^69
2016-06-09VictordeHollanderNF
no factor from 2^67 to 2^68
2008-11-16PaJaSoftC-LL
321942D920AEFB2C