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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
34924843Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 271
P-1
B1 = 435000
B2 = 12832500
LL
StatusDateUserResidueShift
Verified2006-10-24Alexandr Fomin8D93D3F95E3EAAD127838217
Verified2014-06-04Ulrich Sondermann8D93D3F95E3EAAD118655424
History
DateUserTypeResult
2020-12-11-Anonymous-NF
no factor from 2^74 to 2^75
2020-03-15-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-31-Anonymous-NF
no factor from 2^72 to 2^73
2019-10-31-Anonymous-NF
no factor from 2^71 to 2^72
2014-06-04Ulrich SondermannC-LL
8D93D3F95E3EAAD1
2013-08-03AxelssonNF
no factor from 2^70 to 2^71
2013-08-03AxelssonNF
no factor from 2^69 to 2^70
2013-08-03AxelssonNF
no factor from 2^68 to 2^69