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
55815013TF
No factors below 273
TF target 273
P-1
B1 = 560000
B2 = 12180000
LL
StatusDateUserResidueShift
Bad2012-11-30Yxinity68215BAF9790B9D421504267
Verified2013-09-06John Elliott IV671E5B3AF8D2D42B7425874
Verified2016-09-22AirSquirrels671E5B3AF8D2D42B9187971
History
DateUserTypeResult
2016-09-22AirSquirrelsC-LL
671E5B3AF8D2D42B
2015-07-28Mark RoseNF
no factor from 2^72 to 2^73
2013-09-06John Elliott IVC-LL
671E5B3AF8D2D42B
2012-11-30YxinityC-LL
68215BAF9790B9D4
2012-08-31kurlyNF-PM1
B1=560000, B2=12180000, E=12
2011-09-18phoenicisNF
no factor from 2^71 to 2^72
2011-09-18phoenicisNF
no factor from 2^70 to 2^71
2011-06-05Eric ChristensonNF
no factor from 2^69 to 2^70
2011-04-12Helmut ZulusNF
no factor from 2^68 to 2^69
2009-05-20jfarekNF
no factor from 2^67 to 2^68
2009-03-28Sturle SundeNF
no factor from 2^66 to 2^67
2009-03-22Sturle SundeNF
no factor from 2^65 to 2^66
2009-03-19Sturle SundeNF
no factor from 2^64 to 2^65
2008-11-101997rj7NF
no factor to 2^64