Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
4969Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
879473249929.7old
45637103371304723291962.0old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000017259 / 40830
Estimated T-Level: 52.1
TF below 2^168 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse02D4A929EFA708C62013
Verified2017-10-12kkmrkkblmbrbk02D4A929EFA708C62453013
Verified2020-04-17Oliver KruseFE3F3862CA72CDDE251953
Verified2024-02-03Wentao HuangFE3F3862CA72CDDE2277453
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M4969/879473249/4563710337130472329 : FE3F3862CA72CDDE
PRP: Verified
PRP without proof (small exponent)
2023-06-01-Anonymous-NF-PM1
B1=64000000000, B2=642189744639793350
2021-12-15Oliver KruseNF-PM1
B1=1000000000, B2=1002849399191640
2021-12-14Lisander ViaeneNF-PM1
B1=101101101, B2=242002648447560
2020-04-17Oliver KruseC-PRP
M4969/879473249/4563710337130472329 : FE3F3862CA72CDDE
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M4969/879473249/4563710337130472329 : 02D4A929EFA708C6
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M4969/879473249/4563710337130472329 : 02D4A929EFA708C6
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M4969/879473249/4563710337130472329 : 02D4A929EFA708C6
PRP without proof (not generated)