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
10445807Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 268
P-1
B1 = 2000000
B2 = 2663048850
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0 ⓘ
LL
StatusDateUserResidueShift
Verified2000-10-22Lars Geisler793120579D8CC10A5945528
Verified2003-11-08Penny Black P793120579D8CC10A6645790
History
DateUserTypeResult
2025-04-26Andrew BNF
no factor from 2^72 to 2^73
2024-03-25Sid & AndyNF-PM1
B1=2000000, B2=2663048850
2021-10-31SRBaseNF
no factor from 2^71 to 2^72
2021-08-11SRBaseNF
no factor from 2^70 to 2^71
2020-08-11ViliamFNF
no factor from 2^69 to 2^70
2017-11-06ramgeisNF
no factor from 2^68 to 2^69
2017-09-26-Anonymous-NF
no factor from 2^67 to 2^68
2015-12-11VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-03ThaNF
no factor from 2^65 to 2^66
2013-12-22lycornNF
no factor from 2^64 to 2^65
2013-07-10NesowaNF-PM1
B1=130000, B2=2567500, E=6