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
11497Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
528863619.0old
21315439824.32008-08-26 19:58:35
24193099585748891651.12008-08-29 02:24:27
581261847132992916506344792685.62008-08-29 02:24:28
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001290 / 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 Kruse6DD9E332106C64184013
Verified2017-10-02kkmrkkblmbrbk6DD9E332106C64184013
Verified2017-12-07ATH6DD9E332106C64184783713
Verified2020-04-17Oliver KruseC0F2A68042CDD4A64592953
Verified2024-07-01kkmrkkblmbrbkC0F2A68042CDD4A641123553
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M11497/21315439/2419309958574889/528863/58126184713299291650634479 : C0F2A68042CDD4A6
PRP: Verified
PRP without proof (small exponent)
2023-01-20-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2020-04-17Oliver KruseC-PRP
M11497/528863/21315439/2419309958574889/58126184713299291650634479 : C0F2A68042CDD4A6
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M11497/528863/21315439/2419309958574889/58126184713299291650634479 : 6DD9E332106C6418
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M11497/528863/21315439/2419309958574889/58126184713299291650634479 : 6DD9E332106C6418
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11497/528863/21315439/2419309958574889/58126184713299291650634479 : 6DD9E332106C6418
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-08-29-Anonymous-F-ECM
Factor: 58126184713299291650634479
2008-08-29-Anonymous-F
Factor: 2419309958574889
2008-08-26-Anonymous-F
Factor: 21315439