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
2275859Factored
FactorDigitsBitsDate
600826777929.2old
1488823889607928822085772477.02022-07-28 23:33:02
ECM
DigitsB1Curves
255000086 / 280
Estimated T-Level: 21.5
TF below 2^67 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-11Oliver Kruse55007E2F94B55FA41013
Verified (Factored)2017-11-22kkmrkkblmbrbk55007E2F94B55FA4182517113
Verified2022-07-29LordJuliusF6B11E1684A2EE79281598753
History
DateUserTypeResult
2022-07-29JaytholomewCERT
PRP Certification
Proof certified good
2022-07-29LordJuliusC-PRP
M2275859/600826777/148882388960792882208577 : F6B11E1684A2EE79
PRP proof power = 7
PRP: Verified
Proof certified good
2022-07-28_p95holder_F-ECM
Factor: 148882388960792882208577 / (ECM curve 4, B1=50000, B2=5000000)
2017-11-22kkmrkkblmbrbkC-PRP
M2275859/600826777 : 55007E2F94B55FA4
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-11Oliver KruseC-PRP
M2275859/600826777 : 55007E2F94B55FA4
PRP: Verified (Factored)
PRP without proof (not generated)
2016-04-05alpertronNF-PM1
B1=500000, B2=15000000, E=12