Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
32057
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
410777811128654171755.2old
770876203361641211756.12008-08-26 19:59:27
326672695520073716401162925484208734111.32015-04-25 03:02:37
6118653990333017548694883846488068213869741135.52022-08-25 10:52:51
P-1 factors
DateFactorsB1B2
2022-08-2561186539903330175486948838464880682138697
2000000000617056381111170
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001322 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver Kruse1682F0776AB8AAE23013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbk1682F0776AB8AAE23013
Factored
No proof (small exponent)
2017-12-07ATH1682F0776AB8AAE23473713
Factored
No proof (small exponent)
2020-04-17Oliver Kruse92C2EE804FE1585931994653
Verified
No proof (small exponent)
2022-08-25nordi92C2EE804FE1585941444553
Verified
No proof (small exponent)
2025-05-28Dobri92C2EE804FE1585942488053
History
DateUserTypeResult
2025-05-28DobriC-PRPM32057/41077781112865417/77087620336164121/3266726955200737164011629254842087/61186539903330175486948838464880682138697 : 92C2EE804FE15859
2022-08-25nordiC-PRPM32057/41077781112865417/77087620336164121/3266726955200737164011629254842087/61186539903330175486948838464880682138697 : 92C2EE804FE15859
2022-08-25nordiF-PM1Factor: 61186539903330175486948838464880682138697 / B1=2000000000, B2=617056381111170
2022-07-23nordiNF-PM1B1=2000000000
2021-05-08ATHNF-PP1Start=2/7, B1=100000000, B2=10000000000
2020-04-17Oliver KruseC-PRPM32057/41077781112865417/77087620336164121/3266726955200737164011629254842087 : 92C2EE804FE15859
2017-12-07ATHC-PRPM32057/41077781112865417/77087620336164121/3266726955200737164011629254842087 : 1682F0776AB8AAE2
2017-10-02kkmrkkblmbrbkC-PRPM32057/41077781112865417/77087620336164121/3266726955200737164011629254842087 : 1682F0776AB8AAE2
2017-09-21Oliver KruseC-PRPM32057/known_factors : 1682F0776AB8AAE2
2016-10-12kkmrkkblmbrbkNF-PM1B1=200000000, B2=5000000000, E=12
2015-04-25Serge BatalovF-ECMFactor: 3266726955200737164011629254842087
2008-08-26-anonymous-F-ECMFactor: 77087620336164121