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
239611Factored
FactorDigitsBitsDate
7340401517271239.4old
ECM
DigitsB1Curves
2550000280 / 280
30250000470 / 640
Estimated T-Level: 28.7
TF below 2^90 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver KruseCB9A4A3CE8D6EEC51013
Verified2017-10-12kkmrkkblmbrbkCB9A4A3CE8D6EEC5121871913
Verified2020-04-17Oliver Kruse253A430E30B98FF7121807753
Verified2024-02-03Wentao Huang253A430E30B98FF7115862253
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M239611/734040151727 : 253A430E30B98FF7
PRP proof power = 5
PRP: Verified
Proof certified good
2022-04-05Oliver KruseNF-PM1
B1=30000000, B2=10120247026890
2021-07-18Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-04-17Oliver KruseC-PRP
M239611/734040151727 : 253A430E30B98FF7
PRP: Verified
PRP without proof (small exponent)
2020-04-06Daniil TsarkovF-ECM
Factor: 734040151727 / (ECM curve 1, B1=250000, B2=25000000)
2017-10-12kkmrkkblmbrbkC-PRP
M239611/734040151727 : CB9A4A3CE8D6EEC5
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M239611/734040151727 : CB9A4A3CE8D6EEC5
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M239611/734040151727 : CB9A4A3CE8D6EEC5
PRP without proof (not generated)