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
24820333Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 270
P-1
B1 = 275000
B2 = 3437500
LL
StatusDateUserResidueShift
Verified2004-10-03Tony Pillay1E4C78C15EA6A2CD24689601
Verified2011-03-071997rj71E4C78C15EA6A2CD3381860
History
DateUserTypeResult
2021-10-01TheJudgerNF
no factor from 2^73 to 2^74
2021-08-30TheJudgerNF
no factor from 2^72 to 2^73
2021-08-30TheJudgerNF
no factor from 2^71 to 2^72
2021-08-06SRBaseNF
no factor from 2^70 to 2^71
2018-09-05ramgeisNF
no factor from 2^69 to 2^70
2018-03-05VictordeHollanderNF
no factor from 2^68 to 2^69
2016-05-24VictordeHollanderNF
no factor from 2^67 to 2^68
2011-03-071997rj7C-LL
1E4C78C15EA6A2CD