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
183877Factored
FactorDigitsBitsDate
1088640100971236.7old
582827864253793711676579628337731102.22022-02-02 09:53:11
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000177 / 1566
Estimated T-Level: 30.6 ⓘ
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse10B742E06B390B741013
Verified (Factored)2017-10-12kkmrkkblmbrbk10B742E06B390B7419090613
Verified (Factored)2020-04-17Oliver Kruse375761F8DE9F45B21209153
Verified2022-02-02SRJ2877375761F8DE9F45B222070553
Verified2023-08-24USAFSS375761F8DE9F45B2210415153
History
DateUserTypeResult
2023-08-24Ge yongCERT
PRP Certification
Proof certified good
2023-08-24USAFSSC-PRP
M183877/108864010097/5828278642537937116765796283377 : 375761F8DE9F45B2
PRP proof power = 5
PRP: Verified
Proof certified good
2022-02-03curtiscCERT
PRP Certification
Proof certified good
2022-02-02SRJ2877C-PRP
M183877/108864010097/5828278642537937116765796283377 : 375761F8DE9F45B2
PRP proof power = 5
PRP: Verified
Proof certified good
2022-02-02CoreyF-ECM
Factor: 5828278642537937116765796283377 / (ECM curve 1, B1=250000, B2=25000000, Sigma=8259737373065881)
2020-04-17Oliver KruseC-PRP
M183877/108864010097 : 375761F8DE9F45B2
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M183877/108864010097 : 10B742E06B390B74
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M183877/108864010097 : 10B742E06B390B74
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M183877/108864010097 : 10B742E06B390B74
PRP without proof (not generated)
2017-06-24kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12