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
41950697TF
No factors below 274
TF target 272
P-1
B1 = 475000
B2 = 10568750
LL
StatusDateUserResidueShift
Verified2009-11-25Jacques X. CharlesC92FEFD52A60F50323996625
Verified2017-09-06Sergey NosovC92FEFD52A60F50329911167
History
DateUserTypeResult
2020-01-24-Anonymous-NF
no factor from 2^73 to 2^74
2019-10-05-Anonymous-NF
no factor from 2^72 to 2^73
2017-09-06Sergey NosovC-LL
C92FEFD52A60F503
2015-08-25AirSquirrelsNF
no factor from 2^71 to 2^72
2015-02-22Mark RoseNF
no factor from 2^70 to 2^71
2015-01-12chalsallNF
no factor from 2^69 to 2^70
2009-11-25Jacques X. CharlesC-LL
C92FEFD52A60F503
2009-09-11Jacques X. CharlesNF-PM1
B1=475000, B2=10568750