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
4663Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1773677770002311547.3old
498871609244926091755.5old
209545498336474031772064.2old
160635872218721872506232373.8old
1634883308269428869800792477.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000016302 / 40830
Estimated T-Level: 52.0
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 Kruse45F867ECEA3C58C55013
Verified2017-10-02kkmrkkblmbrbk45F867ECEA3C58C55013
Verified2017-12-07ATH45F867ECEA3C58C554613
Verified2020-04-17Oliver Kruse8A9EC449ADAD0CCF5432253
Verified2024-02-03Wentao Huang8A9EC449ADAD0CCF5233853
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M4663/177367777000231/49887160924492609/20954549833647403177/16063587221872187250623/163488330826942886980079 : 8A9EC449ADAD0CCF
PRP: Verified
PRP without proof (small exponent)
2023-05-27-Anonymous-NF-PM1
B1=68000000000, B2=682015465283852700
2021-07-08ViliamFNF-PM1
B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRP
M4663/177367777000231/49887160924492609/20954549833647403177/16063587221872187250623/163488330826942886980079 : 8A9EC449ADAD0CCF
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M4663/177367777000231/49887160924492609/20954549833647403177/16063587221872187250623/163488330826942886980079 : 45F867ECEA3C58C5
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M4663/177367777000231/49887160924492609/20954549833647403177/16063587221872187250623/163488330826942886980079 : 45F867ECEA3C58C5
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M4663/known_factors : 45F867ECEA3C58C5
PRP without proof (not generated)