Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
62265443Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 274
P-1
B1 = 550000
B2 = 10587500
LL
StatusDateUserResidueShift
Verified2013-08-04afjE06059D6C38160881544288
Verified2021-12-09JirkaBoE06059D6C381608821202752
History
DateUserTypeResult
2024-05-25ChuckNF
no factor from 2^70 to 2^71
2021-12-09JirkaBoC-LL
E06059D6C3816088
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2013-08-04afjC-LL
E06059D6C3816088
2013-06-09TheJudgerNF-PM1
B1=550000, B2=10587500, E=6
2013-05-20PhantomasNF
no factor from 2^73 to 2^74
2013-03-09kdgehmanNF
no factor from 2^72 to 2^73
2013-03-01James HeinrichNF
no factor from 2^71 to 2^72
2013-02-17Carsten KossendeyNF
no factor from 2^70 to 2^71
2012-03-29elmghariNF
no factor from 2^69 to 2^70
2009-10-09willmoreNF
no factor from 2^68 to 2^69
2009-10-07willmoreNF
no factor from 2^67 to 2^68
2009-02-16glennpatNF
no factor from 2^66 to 2^67
2009-02-15glennpatNF
no factor from 2^65 to 2^66
2009-02-15-Anonymous-NF
no factor from 2^64 to 2^65
2008-12-13DerekNF
no factor from 2^63 to 2^64