Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
7207997Factored
FactorDigitsBitsDate
273903887928.0old
2563393569122261291857.82015-07-21 10:05:55
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2018-02-19Daniil Tsarkov6B65E7FCEA0740A62645426253
Verified2019-04-09kkmrkkblmbrbk6B65E7FCEA0740A62107003553
History
DateUserTypeResult
2023-12-24Naegi MakotoNF-PM1
B1=222000, B2=412890660
2019-04-09kkmrkkblmbrbkC-PRP
M7207997/273903887/256339356912226129 : 6B65E7FCEA0740A6
PRP: Verified
PRP without proof (not generated)
2018-02-19Daniil TsarkovC-PRP
M7207997/273903887/256339356912226129 : 6B65E7FCEA0740A6
PRP: Verified
PRP without proof (not generated)
2015-07-21TJAOIF
Factor: 256339356912226129 / TF: 57-58