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
52337603Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 273
P-1
B1 = 615000
B2 = 17681250
LL
StatusDateUserResidueShift
Verified2011-10-18shanmin5497AFBA53AF1CDF35016177
Verified2019-04-25themadone5497AFBA53AF1CDF41039778
History
DateUserTypeResult
2020-06-15-Anonymous-NF
no factor from 2^74 to 2^75
2019-04-25themadoneC-LL
5497AFBA53AF1CDF
2018-10-29Mark RoseNF
no factor from 2^73 to 2^74
2016-01-16AirSquirrelsNF
no factor from 2^72 to 2^73
2015-12-18-Anonymous-NF
no factor from 2^71 to 2^72
2015-11-05Mark RoseNF
no factor from 2^70 to 2^71
2014-11-05NesowaNF
no factor from 2^69 to 2^70
2011-10-18shanminC-LL
5497AFBA53AF1CDF
2011-08-29shanminNF-PM1
B1=615000, B2=17681250, E=12
2010-03-26arnaudNF
no factor from 2^68 to 2^69
2009-06-22arnaudNF
no factor from 2^67 to 2^68
2008-12-20HazmattomNF
no factor from 2^66 to 2^67
2008-12-16HazmattomNF
no factor from 2^65 to 2^66
2008-12-09HazmattomNF
no factor from 2^64 to 2^65
2008-10-25DerekNF
no factor to 2^64