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
158489Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
39530326391031.9old
247895582463346770792064.42014-05-30 18:28:19
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000171 / 1566
Estimated T-Level: 30.5
TF below 2^96 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver KruseD8AEB409D20A76FB2013
Verified2017-09-22Oliver KruseD8AEB409D20A76FB2013
Verified2017-11-06kkmrkkblmbrbkD8AEB409D20A76FB22899113
Verified2020-04-17Oliver Kruse4DB2B69C1B667FD8214978553
Verified2024-02-03Wentao Huang4DB2B69C1B667FD827687653
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M158489/3953032639/24789558246334677079 : 4DB2B69C1B667FD8
PRP proof power = 5
PRP: Verified
Proof certified good
2020-04-17Oliver KruseC-PRP
M158489/3953032639/24789558246334677079 : 4DB2B69C1B667FD8
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M158489/3953032639/24789558246334677079 : D8AEB409D20A76FB
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M158489/3953032639/24789558246334677079 : D8AEB409D20A76FB
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M158489/3953032639/24789558246334677079 : D8AEB409D20A76FB
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M158489/3953032639/24789558246334677079 : D8AEB409D20A76FB
PRP without proof (not generated)
2017-01-02kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2014-05-30TJAOIF-ECM
Factor: 24789558246334677079