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
614717Factored
FactorDigitsBitsDate
147532081927.1old
4873445878641059534148174634205230335115.22023-01-05 20:43:16
ECM
DigitsB1Curves
2550000280 / 280
30250000215 / 640
Estimated T-Level: 26.7 ⓘ
TF below 2^84 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-27Oliver Kruse58DA0FD9F4D9E7B91013
Verified (Factored)2017-09-28Oliver Kruse58DA0FD9F4D9E7B91013
Verified (Factored)2017-11-09kkmrkkblmbrbk58DA0FD9F4D9E7B9118402613
Verified (Factored)2020-04-19Oliver Kruse1D5C8FF0A2DA8267140139453
Verified2023-01-06LordJulius1D5C8FF0A2DA8267231603453
P-1 factors
DateFactorB1B2
2023-01-054873445878641059534148174634205230317500005399784390
History
DateUserTypeResult
2023-01-06Tercariol, C. A. S.CERT
PRP Certification
Proof certified good
2023-01-06LordJuliusC-PRP
M614717/147532081/48734458786410595341481746342052303 : 1D5C8FF0A2DA8267
PRP proof power = 6
PRP: Verified
Proof certified good
2023-01-05USAFSSF-PM1
Factor: 48734458786410595341481746342052303 / (P-1, B1=1750000, B2=5399784390)
2020-04-19Oliver KruseC-PRP
M614717/147532081 : 1D5C8FF0A2DA8267
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-11-09kkmrkkblmbrbkC-PRP
M614717/147532081 : 58DA0FD9F4D9E7B9
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M614717/147532081 : 58DA0FD9F4D9E7B9
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M614717/147532081 : 58DA0FD9F4D9E7B9
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-17alpertronNF-PM1
B1=1000000, B2=30000000, E=12