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
4733Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
3628818558897698443942569112788.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000015019 / 40830
Estimated T-Level: 51.8
TF below 2^167 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseB16D438B32389E291013
Verified2017-10-12kkmrkkblmbrbkB16D438B32389E291179913
Verified2020-04-17Oliver KruseFC79ED8F5F8B46571307953
Verified2024-02-03Wentao HuangFC79ED8F5F8B46571125753
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M4733/362881855889769844394256911 : FC79ED8F5F8B4657
PRP: Verified
PRP without proof (small exponent)
2023-05-28-Anonymous-NF-PM1
B1=67000000000, B2=672059035159211700
2021-07-08ViliamFNF-PM1
B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRP
M4733/362881855889769844394256911 : FC79ED8F5F8B4657
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M4733/362881855889769844394256911 : B16D438B32389E29
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M4733/362881855889769844394256911 : B16D438B32389E29
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M4733/362881855889769844394256911 : B16D438B32389E29
PRP without proof (not generated)