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
237401Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
1424407720.4old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000215 / 1566
Estimated T-Level: 30.7
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse46233E5D4460E2141013
Verified2017-10-12kkmrkkblmbrbk46233E5D4460E21411675613
Verified2020-04-17Oliver Kruse0C116D18C757A27711152353
Verified2024-02-03Wentao Huang0C116D18C757A277115492053
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M237401/1424407 : 0C116D18C757A277
PRP proof power = 5
PRP: Verified
Proof certified good
2022-04-02Oliver KruseNF-PM1
B1=30000000, B2=10120247026890
2021-07-13Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-04-17Oliver KruseC-PRP
M237401/1424407 : 0C116D18C757A277
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M237401/1424407 : 46233E5D4460E214
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M237401/1424407 : 46233E5D4460E214
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M237401/1424407 : 46233E5D4460E214
PRP without proof (not generated)