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
5651Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
28282124811031.4old
33469290731031.6old
30410847571431341.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000005163 / 16550
Estimated T-Level: 46.6
TF below 2^150 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse7A093F40FA3AC1C73013
Verified2017-10-12kkmrkkblmbrbk7A093F40FA3AC1C73498413
Verified2020-04-17Oliver Kruse9A657484FCCFA7D63252853
Verified2024-02-03Wentao Huang9A657484FCCFA7D63307053
History
DateUserTypeResult
2024-10-17mikrNF-PM1
B1=500000000000, B2=1405366866901097100
2024-02-03Wentao HuangC-PRP
M5651/2828212481/3346929073/3041084757143 : 9A657484FCCFA7D6
PRP: Verified
PRP without proof (small exponent)
2023-07-16-Anonymous-NF-PM1
B1=44000000000, B2=181125525847266000
2022-01-24Ethan O'ConnorNF-PM1
B1=1300000000
2021-12-17Oliver KruseNF-PM1
B1=1000000000, B2=1002106985940060
2020-04-17Oliver KruseC-PRP
M5651/2828212481/3346929073/3041084757143 : 9A657484FCCFA7D6
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M5651/2828212481/3346929073/3041084757143 : 7A093F40FA3AC1C7
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5651/2828212481/3346929073/3041084757143 : 7A093F40FA3AC1C7
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M5651/2828212481/3346929073/3041084757143 : 7A093F40FA3AC1C7
PRP without proof (not generated)