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
10991423Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 268
P-1
B1 = 2200000
B2 = 1625183340
ECM
DigitsB1Curves
25500002 / 280
Estimated T-Level: 20.0
LL
StatusDateUserResidueShift
Verified2000-10-22Peter Marksteiner3E5AD1138F7823D72045559
Verified2003-04-03Daniel Swanson3E5AD1138F7823D710230237
History
DateUserTypeResult
2024-03-21Sid & AndyNF-PM1
B1=2200000, B2=1625183340
2022-02-05-Anonymous-NF
no factor from 2^73 to 2^74
2022-02-04-Anonymous-NF
no factor from 2^72 to 2^73
2021-10-29SRBaseNF
no factor from 2^71 to 2^72
2021-08-14SRBaseNF
no factor from 2^70 to 2^71
2020-09-23ViliamFNF
no factor from 2^69 to 2^70
2017-12-14ramgeisNF
no factor from 2^68 to 2^69
2017-12-14ramgeisNF
no factor from 2^67 to 2^68
2015-11-14VictordeHollanderNF
no factor from 2^66 to 2^67
2015-05-25ThaNF
no factor from 2^65 to 2^66
2013-12-01lycornNF
no factor from 2^64 to 2^65
2013-08-13NesowaNF-PM1
B1=135000, B2=2767500, E=6