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
1832459Factored
FactorDigitsBitsDate
87958033826.4old
315627871435672584042480792684.72020-11-24 15:56:19
ECM
DigitsB1Curves
2550000280 / 280
30250000107 / 640
Estimated T-Level: 25.8
TF below 2^81 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-04Oliver Kruse72A8097E49EB550B1013
Verified (Factored)2017-11-06kkmrkkblmbrbk72A8097E49EB550B1117145413
Verified2020-11-25mrhEC4513F06E6E0A01232912853
History
DateUserTypeResult
2020-11-25curtiscCERT
PRP Certification
Proof certified good
2020-11-25mrhC-PRP
M1832459/87958033/31562787143567258404248079 : EC4513F06E6E0A01
PRP proof power = 7
PRP: Verified
Proof certified good
2020-11-24_p95holder_F-ECM
Factor: 31562787143567258404248079 / (ECM curve 1, B1=50000, B2=5000000)
2017-11-06kkmrkkblmbrbkC-PRP
M1832459/87958033 : 72A8097E49EB550B
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-04Oliver KruseC-PRP
M1832459/87958033 : 72A8097E49EB550B
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12