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

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Exponent Range:










MnStatusDetails
13049Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
104393616.7old
182687617.52008-08-26 19:58:39
44854818565735671652.02008-08-29 02:24:32
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001388 / 9201
Estimated T-Level: 40.8
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 KruseAED9191DE365475E3013
Verified2017-10-12kkmrkkblmbrbkAED9191DE365475E31087413
Verified2020-04-17Oliver KruseB53AF6AB3A974B793699853
Verified2024-07-01kkmrkkblmbrbkB53AF6AB3A974B7931304053
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M13049/104393/182687/4485481856573567 : B53AF6AB3A974B79
PRP: Verified
PRP without proof (small exponent)
2023-10-10-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-16JacobZNF-PM1
B1=8500000000, B2=33523232658715800
2022-02-05JossNF-PM1
B1=1000000, B2=3910366209750
2020-04-17Oliver KruseC-PRP
M13049/104393/182687/4485481856573567 : B53AF6AB3A974B79
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M13049/104393/182687/4485481856573567 : AED9191DE365475E
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13049/104393/182687/4485481856573567 : AED9191DE365475E
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13049/104393/182687/4485481856573567 : AED9191DE365475E
PRP without proof (not generated)
2008-08-29-Anonymous-F
Factor: 4485481856573567
2008-08-26-Anonymous-F
Factor: 182687