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
6353Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
38119515.2old
2172727721.1old
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 Kruse1BD28E74EC8EE5442013
Verified2017-10-12kkmrkkblmbrbk1BD28E74EC8EE5442475113
Verified2020-04-17Oliver KruseE6145C5CF921ECD92315053
Verified2024-02-03Wentao HuangE6145C5CF921ECD92387253
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M6353/38119/2172727 : E6145C5CF921ECD9
PRP: Verified
PRP without proof (small exponent)
2023-08-04-Anonymous-NF-PM1
B1=39000000000, B2=163105468633407300
2021-08-02ViliamFNF-PM1
B1=500000000, B2=90500000000
2020-04-17Oliver KruseC-PRP
M6353/38119/2172727 : E6145C5CF921ECD9
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M6353/38119/2172727 : 1BD28E74EC8EE544
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6353/38119/2172727 : 1BD28E74EC8EE544
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6353/38119/2172727 : 1BD28E74EC8EE544
PRP without proof (not generated)