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
53704633Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 635000
B2 = 18097500
LL
StatusDateUserResidueShift
Verified2011-09-14Helmut KirrmaierF8B740269C08E44D36083971
Verified2020-04-07Ryan PropperF8B740269C08E44D17825578
History
DateUserTypeResult
2020-04-07Ryan PropperC-LL
F8B740269C08E44D
2019-08-17Jon PaceNF
no factor from 2^73 to 2^74
2016-01-28AirSquirrelsNF
no factor from 2^72 to 2^73
2015-12-18-Anonymous-NF
no factor from 2^71 to 2^72
2011-09-14Helmut KirrmaierC-LL
F8B740269C08E44D
2011-08-02Tom DuellNF
no factor from 2^70 to 2^71
2011-05-23megavinkNF
no factor from 2^69 to 2^70
2011-03-14Team_InspectorNF
no factor from 2^68 to 2^69
2011-02-25Chun sung sooNF-PM1
B1=635000, B2=18097500, E=6
2009-07-04ObscuritiNF
no factor from 2^67 to 2^68
2009-02-27Sturle SundeNF
no factor from 2^66 to 2^67
2008-12-20ProteusNF
no factor from 2^65 to 2^66
2008-12-20-Anonymous-NF
no factor from 2^64 to 2^65
2008-10-14-Anonymous-NF
no factor to 2^64