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
4999Factored
FactorDigitsBitsDate
209959617.7old
10942711031030.0old
9369902717085191663210280578012245736938126.12015-11-11 16:36:45
3773879300705334015103635615277831536988198344144.82020-10-15 13:30:11
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000014674 / 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
Verified (Factored)2017-09-21Oliver KruseED0F68B67647F24C3013
Verified (Factored)2017-10-02kkmrkkblmbrbkED0F68B67647F24C3013
Verified (Factored)2017-12-07ATHED0F68B67647F24C3411813
Verified (Factored)2020-04-17Oliver Kruse01DD1DC1CAF5EC1F3315853
Verified2020-10-15mrh01DD1DC1CAF5EC1F4425753
History
DateUserTypeResult
2023-06-01-Anonymous-NF-PM1
B1=63000000000, B2=632233314515152350
2021-12-15Oliver KruseNF-PM1
B1=1000000000, B2=1002849399191640
2021-12-15Lisander ViaeneNF-PM1
B1=101101101, B2=242002648447560
2020-10-15mrhC-PRP
M4999/209959/1094271103/93699027170851916632102805780122457369/37738793007053340151036356152778315369881983 : 01DD1DC1CAF5EC1F
PRP: Verified
PRP without proof (small exponent)
2020-10-15Ryan PropperF-ECM
Factor: 37738793007053340151036356152778315369881983 / (ECM curve 1, B1=260000000, B2=3104064163218, Sigma=4984608153299308681)
2020-04-17Oliver KruseC-PRP
M4999/209959/1094271103/93699027170851916632102805780122457369 : 01DD1DC1CAF5EC1F
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M4999/209959/1094271103/93699027170851916632102805780122457369 : ED0F68B67647F24C
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M4999/209959/1094271103/93699027170851916632102805780122457369 : ED0F68B67647F24C
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M4999/known_factors : ED0F68B67647F24C
PRP without proof (not generated)
2015-11-11BloodIceF-ECM
Factor: 93699027170851916632102805780122457369 / (ECM curve 2341, B1=3000000, B2=300000000)