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
14783Factored
FactorDigitsBitsDate
29567514.9old
4523599722.12008-08-26 19:58:44
7480199722.82008-08-26 19:58:44
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001257 / 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 Kruse09C40503CDCD82243013
Verified2017-10-12kkmrkkblmbrbk09C40503CDCD82243392113
Unverified2020-04-17Oliver Kruse0E4BB94BE54484__3601053
Verified (Factored)2022-05-12Jorge Coveiro0E4BB94BE544842111445853
History
DateUserTypeResult
2024-03-07-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-27JacobZNF-PM1
B1=7300000000, B2=30020805351537000
2022-05-12Jorge CoveiroC-PRP
M14783/29567 : 0E4BB94BE5448421
PRP: Verified (Factored)
PRP without proof (small exponent)
2021-08-02ViliamFNF-PM1
B1=250000000, B2=42750000000
2020-04-17Oliver KruseC-PRP
M14783/29567/4523599/7480199 : 0E4BB94BE5448421
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M14783/29567/4523599/7480199 : 09C40503CDCD8224
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14783/29567/4523599/7480199 : 09C40503CDCD8224
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14783/29567/4523599/7480199 : 09C40503CDCD8224
PRP without proof (not generated)
2008-08-26-Anonymous-F
Factor: 7480199
2008-08-26-Anonymous-F
Factor: 4523599