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
2341Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
408122385460321465412472375.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000058966 / 105362
Estimated T-Level: 57.8
TF below 2^187 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseE06F385ABE37558E1013
Verified2017-10-12kkmrkkblmbrbkE06F385ABE37558E149613
Verified2020-04-17Oliver Kruse59DEA4AC9AB89290172853
Verified2024-02-03Wentao Huang59DEA4AC9AB89290135253
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M2341/40812238546032146541247 : 59DEA4AC9AB89290
PRP: Verified
PRP without proof (small exponent)
2022-02-18mikrNF-PM1
B1=70000000000, B2=367132100645760450
2020-04-17Oliver KruseC-PRP
M2341/40812238546032146541247 : 59DEA4AC9AB89290
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M2341/40812238546032146541247 : E06F385ABE37558E
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M2341/40812238546032146541247 : E06F385ABE37558E
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M2341/40812238546032146541247 : E06F385ABE37558E
PRP without proof (not generated)
2016-09-09kkmrkkblmbrbkNF-PM1
B1=500000000, B2=50000000000, E=12