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
7935847Factored
FactorDigitsBitsDate
22220371611031.0old
616135239025695671755.82015-02-13 12:35:38
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2018-06-19_p95holder_420B2957480B97522366660253
Verified2019-11-25Igvan28420B2957480B97522565202753
History
DateUserTypeResult
2024-02-05Stef42NF-PM1
B1=950000, B2=1968826860
2019-11-25Igvan28C-PRP
M7935847/2222037161/61613523902569567 : 420B2957480B9752
PRP: Verified
PRP without proof (not generated)
2018-06-19_p95holder_C-PRP
M7935847/2222037161/61613523902569567 : 420B2957480B9752
PRP: Verified
PRP without proof (not generated)
2015-02-13TJAOIF
Factor: 61613523902569567 / TF: 55-56