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
13763Factored
FactorDigitsBitsDate
27527514.7old
908359619.82008-08-26 19:58:41
56136524411032.42008-08-26 19:58:41
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001328 / 9201
Estimated T-Level: 40.7 ⓘ
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-21Oliver KruseBF79D3F860F33D573013
Verified2017-10-12kkmrkkblmbrbkBF79D3F860F33D573259113
Unverified2020-04-17Oliver Kruse42725E42D4E16B__334353
Verified (Factored)2022-05-12Jorge Coveiro42725E42D4E16B591757653
History
DateUserTypeResult
2024-01-29-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-21JacobZNF-PM1
B1=8000000000, B2=35524619698317750
2022-05-12Jorge CoveiroC-PRP
M13763/27527 : 42725E42D4E16B59
PRP: Verified (Factored)
PRP without proof (small exponent)
2022-03-04Ethan O'ConnorNF-PM1
B1=1000000000, B2=248016220902450
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-17Oliver KruseC-PRP
M13763/27527/908359/5613652441 : 42725E42D4E16B59
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M13763/27527/908359/5613652441 : BF79D3F860F33D57
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13763/27527/908359/5613652441 : BF79D3F860F33D57
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13763/27527/908359/5613652441 : BF79D3F860F33D57
PRP without proof (not generated)
2008-08-26-Anonymous-F
Factor: 5613652441
2008-08-26-Anonymous-F
Factor: 908359