Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
48834979Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 273
TF target 273
P-1
B1 = 570000
B2 = 16102500
LL
StatusDateUserResidueShift
Verified2010-05-29JShaft78C705651B36F4BD24660642
Verified2017-01-19-Anonymous-78C705651B36F4BD37190852
History
DateUserTypeResult
2024-08-18Jarod McClintockNF
no factor from 2^69 to 2^70
2017-09-09-Anonymous-NF
no factor from 2^72 to 2^73
2017-01-19-Anonymous-C-LL
78C705651B36F4BD
2015-12-04-Anonymous-NF
no factor from 2^71 to 2^72
2015-06-22Mark RoseNF
no factor from 2^70 to 2^71
2015-06-21Architects CubedNF
no factor from 2^69 to 2^70
2010-05-29JShaftC-LL
78C705651B36F4BD
2010-04-11JShaftNF-PM1
B1=570000, B2=16102500, E=6