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
1709Factored
FactorDigitsBitsDate
379399618.5old
2088385936679102331857.5old
2901503239437100656451371552694661535804741134.4old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
60260000000105362 / 105362
65800000000100948 / 194238
Estimated T-Level: 62.6
TF below 2^203 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseC3D182D45E6891563013
Verified2017-10-02kkmrkkblmbrbkC3D182D45E6891563013
Verified2017-12-07ATHC3D182D45E6891563117413
Verified2020-04-17Oliver KruseBF4665E9FD476BB83123253
Verified2020-08-12_p95holder_BF4665E9FD476BB8397953
P-1 factors
DateFactorB1B2
2024-01-117923315359901147448996710000001000000
History
DateUserTypeResult
2024-01-11Morgan SteelF-PM1
Factors: 379399,208838593667910233 / (P-1, B1=1000000)
2022-08-24mikrNF-PM1
B1=400000000000, B2=1310778031989756330
2021-07-23ViliamFNF-PP1
Start=2/7, B1=1000000000, B2=221000000000
2020-08-12_p95holder_C-PRP
M1709/379399/208838593667910233/29015032394371006564513715526946615358047 : BF4665E9FD476BB8
PRP: Verified
PRP without proof (small exponent)
2020-04-17Oliver KruseC-PRP
M1709/379399/208838593667910233/29015032394371006564513715526946615358047 : BF4665E9FD476BB8
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M1709/379399/208838593667910233/29015032394371006564513715526946615358047 : C3D182D45E689156
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M1709/379399/208838593667910233/29015032394371006564513715526946615358047 : C3D182D45E689156
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M1709/known_factors : C3D182D45E689156
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=1000000000, B2=100000000000, E=12