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
7477Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
830332320863038492191083049874468967337122.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000002189 / 9201
Estimated T-Level: 41.2
TF below 2^132 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseE0F8DACA665A1C911013
Verified2017-10-12kkmrkkblmbrbkE0F8DACA665A1C911476113
Verified2020-04-17Oliver Kruse93D1D086F13CE0001627653
Verified2024-02-03Wentao Huang93D1D086F13CE0001197853
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M7477/8303323208630384921910830498744689673 : 93D1D086F13CE000
PRP: Verified
PRP without proof (small exponent)
2023-09-01-Anonymous-NF-PM1
B1=40000000000, B2=169617550478676300
2021-07-05ViliamFNF-PM1
B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRP
M7477/8303323208630384921910830498744689673 : 93D1D086F13CE000
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M7477/8303323208630384921910830498744689673 : E0F8DACA665A1C91
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7477/8303323208630384921910830498744689673 : E0F8DACA665A1C91
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7477/8303323208630384921910830498744689673 : E0F8DACA665A1C91
PRP without proof (not generated)