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
6469Factored
FactorDigitsBitsDate
636125405261254631755.8old
3072139038985328891858.1old
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 Kruse4530319533C2138A2013
Verified2017-10-12kkmrkkblmbrbk4530319533C2138A2306513
Verified2020-04-17Oliver KruseB18A7ED5ACAC87062532053
Verified2024-02-03Wentao HuangB18A7ED5ACAC8706232553
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M6469/63612540526125463/307213903898532889 : B18A7ED5ACAC8706
PRP: Verified
PRP without proof (small exponent)
2023-08-07-Anonymous-NF-PM1
B1=38000000000, B2=159095079570076650
2021-12-17Oliver KruseNF-PM1
B1=1000000000, B2=1006397938886340
2020-04-17Oliver KruseC-PRP
M6469/63612540526125463/307213903898532889 : B18A7ED5ACAC8706
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M6469/63612540526125463/307213903898532889 : 4530319533C2138A
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6469/63612540526125463/307213903898532889 : 4530319533C2138A
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6469/63612540526125463/307213903898532889 : 4530319533C2138A
PRP without proof (not generated)