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
51652093Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 273
P-1
B1 = 620000
B2 = 19995000
LL
StatusDateUserResidueShift
Verified2013-07-01johnguin0308D26C004240CD11364523
Verified2019-01-21nukita0308D26C004240CD22233787
History
DateUserTypeResult
2019-01-21nukitaC-LL
0308D26C004240CD
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2016-01-03AirSquirrelsNF
no factor from 2^72 to 2^73
2013-07-01johnguinC-LL
0308D26C004240CD
2012-02-24Roy OswaldNF
no factor from 2^70 to 2^72
2011-11-06Kevin JagetNF
no factor from 2^69 to 2^70
2010-02-12hypertrollNF
no factor from 2^68 to 2^69
2010-01-31Sturle SundeNF-PM1
B1=620000, B2=19995000, E=6
2009-09-09Torchwood InstituteNF
no factor from 2^67 to 2^68
2009-09-02riccardo ubertiNF
no factor from 2^66 to 2^67
2009-06-15Roman MaznichenkoNF
no factor from 2^65 to 2^66
2009-06-10Roman MaznichenkoNF
no factor from 2^64 to 2^65
2009-06-07SAHS Science DeptNF
no factor from 2^63 to 2^64