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
6907Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
603129324231135.8old
49896885271632651142804357612892.0old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001282 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse10B9E443C8B86EB02013
Verified2017-10-02kkmrkkblmbrbk10B9E443C8B86EB02013
Verified2017-12-07ATH10B9E443C8B86EB02603313
Verified2020-04-17Oliver Kruse02618819EB4071E32154853
Verified2024-02-03Wentao Huang02618819EB4071E32220153
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M6907/60312932423/4989688527163265114280435761 : 02618819EB4071E3
PRP: Verified
PRP without proof (small exponent)
2023-08-18-Anonymous-NF-PM1
B1=35000000000, B2=149103333456127050
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M6907/60312932423/4989688527163265114280435761 : 02618819EB4071E3
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M6907/60312932423/4989688527163265114280435761 : 10B9E443C8B86EB0
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M6907/60312932423/4989688527163265114280435761 : 10B9E443C8B86EB0
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6907/known_factors : 10B9E443C8B86EB0
PRP without proof (not generated)