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
50192557TF
No factors below 274
TF target 273
P-1
B1 = 560000
B2 = 14280000
LL
StatusDateUserResidueShift
Verified2011-04-11Sebastian HornbostelFC9CDDC8F51F156422191321
Verified2019-11-18Sergey NosovFC9CDDC8F51F156412117855
History
DateUserTypeResult
2019-11-18Sergey NosovC-LL
FC9CDDC8F51F1564
2018-12-16Mark RoseNF
no factor from 2^73 to 2^74
2016-01-04Judge HaleNF
no factor from 2^72 to 2^73
2015-12-28AirSquirrelsNF
no factor from 2^71 to 2^72
2015-12-28AirSquirrelsNF
no factor from 2^70 to 2^71
2011-04-11Sebastian HornbostelC-LL
FC9CDDC8F51F1564
2010-06-14David CrawfordNF-PM1
B1=560000, B2=14280000, E=6