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
29894399Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 271
P-1
B1 = 1750000
B2 = 1011636990
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2006-10-01Klemen Urbanc52A432B889F2273D11380618
Verified2013-02-21-Anonymous-52A432B889F2273D1609202
History
DateUserTypeResult
2022-01-09Oliver KruseNF-PM1
B1=1750000, B2=1011636990
2021-12-15Oliver KruseNF-PP1
Start=2/7, B1=100000, B2=5000000
2021-10-04TheJudgerNF
no factor from 2^74 to 2^75
2021-09-10TheJudgerNF
no factor from 2^73 to 2^74
2021-05-22Sid & AndyNF
no factor from 2^72 to 2^73
2021-02-25Sid & AndyNF
no factor from 2^71 to 2^72
2018-09-24monstNF
no factor from 2^70 to 2^71
2013-02-21-Anonymous-C-LL
52A432B889F2273D
2011-08-11GregNF
no factor from 2^69 to 2^70
2011-08-11GregNF
no factor from 2^68 to 2^69