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

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Exponent Range:










MnStatusDetails
13807Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
57865689291032.4old
29110208678558736751696217994454120136117.82021-10-14 06:39:18
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001327 / 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
Verified (Factored)2017-09-21Oliver KruseFF72A8989C65C6D61013
Verified (Factored)2017-10-12kkmrkkblmbrbkFF72A8989C65C6D61448013
Verified (Factored)2020-04-17Oliver Kruse6B00B168A657687111221653
Verified2021-10-14mikr6B00B168A657687121197453
P-1 factors
DateFactorB1B2
2024-01-29291102086785587367516962179944541201100000000000122154521813133808
History
DateUserTypeResult
2024-01-29-Anonymous-F-PM1
Factor: 291102086785587367516962179944541201 / (P-1, B1=100000000000, B2=122154521813133810)
2023-05-21JacobZNF-PM1
B1=7900000000, B2=32522539163164050
2023-02-11USAFSSNF-PM1
B1=10000000, B2=871003243110
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2021-10-14mikrC-PRP
M13807/5786568929/291102086785587367516962179944541201 : 6B00B168A6576871
PRP: Verified
PRP without proof (small exponent)
2021-10-14nordiF-ECM
Factor: 291102086785587367516962179944541201 / (ECM curve 153, B1=3000000, B2=300000000, Sigma=3193117401197275)
2020-04-17Oliver KruseC-PRP
M13807/5786568929 : 6B00B168A6576871
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M13807/5786568929 : FF72A8989C65C6D6
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13807/5786568929 : FF72A8989C65C6D6
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13807/5786568929 : FF72A8989C65C6D6
PRP without proof (not generated)