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
71914991TF
No factors below 276
TF target 274
P-1
B1 = 705000
B2 = 15157500
LL
StatusDateUserResidueShift
Verified2017-04-28Dmitriy DegtiarevC7F4513693F86AB640531681
Verified2023-12-28ManuelJCC7F4513693F86AB631664134
History
DateUserTypeResult
2023-12-28ManuelJCC-LL
C7F4513693F86AB6
2023-01-02tottenhoffNF
no factor from 2^75 to 2^76
2017-04-28Dmitriy DegtiarevC-LL
C7F4513693F86AB6
2016-08-09AirSquirrelsNF
no factor from 2^74 to 2^75
2015-10-22GregNF
no factor from 2^73 to 2^74
2015-06-07TheJudgerNF-PM1
B1=705000, B2=15157500, E=6
2015-05-09srow7NF
no factor from 2^72 to 2^73
2015-02-06RichD0NF
no factor from 2^71 to 2^72
2013-07-18tmorrowNF
no factor from 2^70 to 2^71
2011-05-05tscNF
no factor to 2^70
2010-05-13Stefano SpagocciNF
no factor from 2^64 to 2^65
2008-10-03-Anonymous-NF
no factor to 2^64