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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MnStatusDetails
42217583TF
No factors below 273
TF target 272
P-1
B1 = 355000
B2 = 6478750
LL
StatusDateUserResidueShift
Verified2008-08-07D. WallerE0A548FE75690CBA22089912
Verified2017-10-09Sergey NosovE0A548FE75690CBA28417973
History
DateUserTypeResult
2018-08-28Architects CubedNF-PM1
B1=355000, B2=6478750, E=12
2018-08-11-Anonymous-NF
no factor from 2^72 to 2^73
2017-10-09Sergey NosovC-LL
E0A548FE75690CBA
2015-08-28AirSquirrelsNF
no factor from 2^71 to 2^72
2015-03-17Mark RoseNF
no factor from 2^70 to 2^71
2015-01-20Mark RoseNF
no factor from 2^69 to 2^70