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
79977103Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 275
P-1
B1 = 675000
B2 = 13500000
LL
StatusDateUserResidueShift
Verified2017-03-14curtiscB70B59D2D44A538B50910824
Verified2025-09-14ec14B70B59D2D44A538B41347167
History
DateUserTypeResult
2025-09-14ec14C-LL
B70B59D2D44A538B
2017-03-14curtiscC-LL
B70B59D2D44A538B
2016-12-05bamNF-PM1
B1=675000, B2=13500000
2016-10-19BdotNF
no factor from 2^74 to 2^75
2016-10-17BdotNF
no factor from 2^73 to 2^74
2016-09-07Architects CubedNF
no factor from 2^72 to 2^73
2014-01-11forrest-lumpkinNF
no factor from 2^71 to 2^72
2013-01-26Houd Al-ObaidliNF
no factor from 2^70 to 2^71
2011-02-16Charles SpaltonNF
no factor from 2^69 to 2^70
2011-02-10nomadNF
no factor from 2^68 to 2^69
2011-02-09nomadNF
no factor from 2^67 to 2^68
2011-02-08KarlMJNF
no factor from 2^66 to 2^67
2010-12-09André JordiNF
no factor from 2^65 to 2^66
2010-11-29Architects CubedNF
no factor from 2^64 to 2^65
2009-05-29Architects CubedNF
no factor from 2^63 to 2^64