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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
7057Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
621017619.2old
4775828094360949059287926892841868935115.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000002306 / 9201
Estimated T-Level: 41.3
TF below 2^132 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse7DCAB7A05A35D91F2013
Verified2017-10-02kkmrkkblmbrbk7DCAB7A05A35D91F2013
Verified2017-12-07ATH7DCAB7A05A35D91F2100413
Verified2020-04-17Oliver Kruse9EE1FBB3294543162575453
Verified2024-02-03Wentao Huang9EE1FBB3294543162485353
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M7057/621017/47758280943609490592879268928418689 : 9EE1FBB329454316
PRP: Verified
PRP without proof (small exponent)
2023-08-23-Anonymous-NF-PM1
B1=34000000000, B2=142098478841769450
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M7057/621017/47758280943609490592879268928418689 : 9EE1FBB329454316
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M7057/621017/47758280943609490592879268928418689 : 7DCAB7A05A35D91F
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M7057/621017/47758280943609490592879268928418689 : 7DCAB7A05A35D91F
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7057/known_factors : 7DCAB7A05A35D91F
PRP without proof (not generated)