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
19246831Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 269
P-1
B1 = 590000
B2 = 599634750
ECM
DigitsB1Curves
25500001 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2003-10-31Jerry MoseleyAAD94BC363BFBA783310189
Verified2007-04-23Marcus SpradlinAAD94BC363BFBA781946053
History
DateUserTypeResult
2024-08-07chevronNF-PM1
B1=590000, B2=599634750
2021-11-26-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-03-Anonymous-NF
no factor from 2^71 to 2^72
2021-09-12SRBaseNF
no factor from 2^70 to 2^71
2019-12-27lycornNF
no factor from 2^69 to 2^70
2017-11-20ramgeisNF
no factor from 2^68 to 2^69
2014-06-15NesowaNF
no factor from 2^67 to 2^68
2014-06-15NesowaNF
no factor from 2^66 to 2^67