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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
332217443Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 281
TF target 281
P-1
B1 = 5670000
B2 = 5670000
LL
StatusDateUserResidueShift
Unverified2019-10-22Evgeniy ZavialovB13E2D4733B390__45
History
DateUserTypeResult
2023-10-18James HeinrichNF
no factor from 2^67 to 2^68
2023-02-17Mark RoseNF
no factor from 2^80 to 2^81
2023-02-17Mark RoseNF
no factor from 2^79 to 2^80
2023-02-17Mark RoseNF
no factor from 2^78 to 2^79
2019-10-22Evgeniy ZavialovC-LL
B13E2D4733B390__
2015-06-23NRNF
no factor from 2^77 to 2^78
2015-06-23NRNF
no factor from 2^76 to 2^77
2010-11-18cloudmaiNF-PM1
B1=5670000
2010-08-03NicL1NF
no factor from 2^75 to 2^76
2008-12-31apostoloskoNF
no factor from 2^74 to 2^75
2008-12-19apostoloskoNF
no factor from 2^73 to 2^74
2008-12-16apostoloskoNF
no factor from 2^72 to 2^73
2008-12-12werdwerdusNF
no factor from 2^71 to 2^72
2008-12-11werdwerdusNF
no factor from 2^70 to 2^71
2008-12-10werdwerdusNF
no factor from 2^69 to 2^70
2008-12-10werdwerdusNF
no factor from 2^68 to 2^69