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
332201413Tested as composite (unverified): unconfirmed Lucas-Lehmer test says not-prime
TF
No factors below 281
TF target 281
P-1
B1 = 3150000
B2 = 88200000
LL
StatusDateUserResidueShift
Unverified2015-09-14aurashift504DDB5D1F9F75__34281043
History
DateUserTypeResult
2023-10-18James HeinrichNF
no factor from 2^67 to 2^68
2023-02-09Mark RoseNF
no factor from 2^80 to 2^81
2023-02-09Mark RoseNF
no factor from 2^79 to 2^80
2019-01-22srow7NF
no factor from 2^78 to 2^79
2015-09-14aurashiftC-LL
504DDB5D1F9F75__
2015-06-22aurashiftNF-PM1
B1=3150000, B2=88200000, E=12
2015-06-04srow7NF
no factor from 2^77 to 2^78
2014-09-27Team_InspectorNF
no factor from 2^76 to 2^77
2011-08-21Sebastian HornbostelNF
no factor from 2^75 to 2^76
2011-06-11SunfishNF
no factor from 2^74 to 2^75
2010-04-24Team_InspectorNF
no factor from 2^73 to 2^74
2010-04-21Team_InspectorNF
no factor from 2^72 to 2^73
2009-07-15HermaniacNF
no factor from 2^71 to 2^72
2009-02-18Team_InspectorNF
no factor from 2^70 to 2^71
2008-11-12Team_InspectorNF
no factor from 2^69 to 2^70
2008-11-12Team_InspectorNF
no factor from 2^68 to 2^69