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
64543657Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 277
TF target 274
P-1
B1 = 1000000
B2 = 30000000
LL
StatusDateUserResidueShift
Verified2014-10-25Chun sung soo8732981F309A706940002162
Bad2022-02-19aas236_tpu9B1E8246819017BB42371668
Verified2022-02-28ATH8732981F309A70690
History
DateUserTypeResult
2024-05-10James HeinrichNF
no factor from 2^68 to 2^69
2022-02-28ATHC-LL
8732981F309A7069
2022-02-24MadPooNF
no factor from 2^76 to 2^77
2022-02-24MadPooNF
no factor from 2^75 to 2^76
2022-02-24MadPooNF
no factor from 2^74 to 2^75
2022-02-23riccardo ubertiNF-PM1
B1=1000000, B2=30000000
2022-02-19aas236_tpuC-LL
9B1E8246819017BB
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2014-10-25Chun sung sooC-LL
8732981F309A7069
2013-11-20Architects CubedNF-PM1
B1=580000, B2=11455000, E=12
2013-11-17TheJudgerNF
no factor from 2^73 to 2^74
2013-11-17TheJudgerNF
no factor from 2^72 to 2^73
2013-10-09Mark RoseNF
no factor from 2^71 to 2^72
2013-06-10Carsten KossendeyNF
no factor from 2^70 to 2^71
2012-01-10-Anonymous-NF
no factor from 2^69 to 2^70
2010-02-23lindedNF
no factor from 2^68 to 2^69
2010-02-17Sturle SundeNF
no factor from 2^67 to 2^68
2010-02-11Sturle SundeNF
no factor from 2^66 to 2^67
2009-10-10Sturle SundeNF
no factor from 2^65 to 2^66
2009-10-08Sturle SundeNF
no factor from 2^64 to 2^65
2009-03-11fes016NF
no factor from 2^63 to 2^64