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
11275637Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 10000000
B2 = 20013932400
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2001-03-17Andreas HelmissAA8BE6B4982534B59703778
Verified2004-03-01Zaccheo BagnatiAA8BE6B4982534B52815793
History
DateUserTypeResult
2025-02-14James HeinrichNF
no factor from 2^72 to 2^73
2024-10-06vshNF
no factor from 2^72 to 2^73
2024-05-23vshNF-PM1
B1=10000000, B2=20013932400
2024-04-20vshNF-PM1
B1=4300000, B2=5975406360
2024-03-31vshNF-PM1
B1=2150000, B2=1220264760
2021-10-31SRBaseNF
no factor from 2^71 to 2^72
2021-08-28SRBaseNF
no factor from 2^70 to 2^71
2021-08-17SRBaseNF
no factor from 2^69 to 2^70
2017-12-27ramgeisNF
no factor from 2^68 to 2^69
2017-12-27ramgeisNF
no factor from 2^67 to 2^68
2016-01-04VictordeHollanderNF
no factor from 2^66 to 2^67
2015-02-01NumberwangNF
no factor from 2^65 to 2^66
2013-11-21lycornNF
no factor from 2^64 to 2^65
2012-05-20James HeinrichNF-PM1
B1=215000, B2=5213750, E=6