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
9004367Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 272
TF target 268
P-1
B1 = 10794000
B2 = 78056517630
ECM
DigitsB1Curves
255000024 / 280
Estimated T-Level: 20.4 ⓘ
LL
StatusDateUserResidueShift
VerifiedMichael Lee99BA9288BB95FFF00
VerifiedSteve Potocny99BA9288BB95FFF07348222
History
DateUserTypeResult
2024-02-29Jason LynchNF-PM1
B1=10794000, B2=78056517630
2023-03-10One ManNF
no factor from 2^71 to 2^72
2020-06-26mikrNF
no factor from 2^70 to 2^71
2019-04-26YxinityNF
no factor from 2^69 to 2^70
2019-04-02slaurNF
no factor from 2^68 to 2^69
2018-03-13mikrNF-PM1
B1=2500000, B2=72000000, E=12
2016-12-20snme2pm1NF
no factor from 2^67 to 2^68
2016-03-16snme2pm1NF
no factor from 2^66 to 2^67
2016-02-23Mark RoseNF
no factor from 2^63 to 2^64
2015-05-12VictordeHollanderNF
no factor from 2^65 to 2^66
2012-05-22Squeeky_SquirrelNF-PM1
B1=100000, B2=1675000, E=6
2011-10-29Rob_DeeNF
no factor from 2^64 to 2^65