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
6911Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
34158481236791341.6old
1151609779023671546.7old
3499464159112304857709387433252732104.8old
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 Kruse60144E379EAA569F3013
Verified2017-10-02kkmrkkblmbrbk60144E379EAA569F3013
Verified2017-12-07ATH60144E379EAA569F394513
Verified2020-04-17Oliver Kruse48DE51C2BC2647893535553
Verified2024-02-03Wentao Huang48DE51C2BC2647893305653
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M6911/3415848123679/115160977902367/34994641591123048577093874332527 : 48DE51C2BC264789
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
M6911/3415848123679/115160977902367/34994641591123048577093874332527 : 48DE51C2BC264789
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M6911/3415848123679/115160977902367/34994641591123048577093874332527 : 60144E379EAA569F
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M6911/3415848123679/115160977902367/34994641591123048577093874332527 : 60144E379EAA569F
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6911/known_factors : 60144E379EAA569F
PRP without proof (not generated)