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
49785893Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 273
P-1
B1 = 580000
B2 = 15080000
LL
StatusDateUserResidueShift
Verified2010-03-29UCLA MathematicsBA0D88C01622C34332928636
Verified2019-10-29frolyarBA0D88C01622C3439900094
History
DateUserTypeResult
2024-08-18Jarod McClintockNF
no factor from 2^69 to 2^70
2019-10-29frolyarC-LL
BA0D88C01622C343
2018-01-23monstNF
no factor from 2^72 to 2^73
2015-12-27AirSquirrelsNF
no factor from 2^71 to 2^72
2015-12-27AirSquirrelsNF
no factor from 2^70 to 2^71
2015-06-10Architects CubedNF
no factor from 2^69 to 2^70
2010-03-29UCLA MathematicsC-LL
BA0D88C01622C343
2010-02-18UCLA MathematicsNF-PM1
B1=580000, B2=15080000