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
50022569TF
No factors below 274
TF target 273
P-1
B1 = 485000
B2 = 9700000
LL
StatusDateUserResidueShift
Verified2012-06-06schaz4C9A87C92BD5F06631043813
Verified2019-10-19Sergey Nosov4C9A87C92BD5F06623216921
History
DateUserTypeResult
2019-10-19Sergey NosovC-LL
4C9A87C92BD5F066
2018-03-12Oliver KruseNF
no factor from 2^73 to 2^74
2015-12-06AirSquirrelsNF
no factor from 2^72 to 2^73
2012-06-06schazC-LL
4C9A87C92BD5F066
2011-12-20David CampeauNF-PM1
B1=485000, B2=9700000, E=6
2011-12-19Jerry HallettNF
no factor from 2^70 to 2^72
2011-10-30ChuckNF
no factor from 2^69 to 2^70
2008-07-10George WoltmanNF
no factor to 2^64