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

PrimeNet Exponent Status

Exponent Range:





MnDetails
14251
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
1731049321535395213454112465573910290439941133.72008-12-13 09:00:03
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001427 / 9201
Estimated T-Level: 40.8 ⓘ
TF below 2^130 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShiftSoftware
FactoredUnknown3C4C0Unknown,(aka U)
FactoredGeorge Woltman424849E043F63C4C0Woltman,Prime95,first web release,(aka W4)
FactoredBrian J. Beesley424849E043F63C4C0Mac,John Sweeney,v1.4,(aka J3)
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver KruseBA329C4B6BA725E51013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbkBA329C4B6BA725E51013
Verified
No proof (small exponent)
2017-12-07ATHBA329C4B6BA725E51786213
Verified
No proof (small exponent)
2020-04-17Oliver Kruse00D6ECEFB92FE1291681053
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk00D6ECEFB92FE12911086153
History
DateUserTypeResult
2025-02-14masserNF-PP1Start=189/59, B1=355000000, B2=354645000000
2025-02-08masserNF-PP1Start=2/7, B1=355000000, B2=354645000000
2025-01-19masserNF-PP1Start=6/5, B1=355000000, B2=354645000000
2024-07-01kkmrkkblmbrbkC-PRPM14251/17310493215353952134541124655739102904399 : 00D6ECEFB92FE129
2024-01-29-anonymous-NF-PM1B1=100000000000, B2=122154521813133810
2023-05-24JacobZNF-PM1B1=7700000000, B2=32522539163164050
2020-04-17Oliver KruseC-PRPM14251/17310493215353952134541124655739102904399 : 00D6ECEFB92FE129
2017-12-07ATHC-PRPM14251/17310493215353952134541124655739102904399 : BA329C4B6BA725E5
2017-10-02kkmrkkblmbrbkC-PRPM14251/17310493215353952134541124655739102904399 : BA329C4B6BA725E5
2017-09-21Oliver KruseC-PRPM14251/17310493215353952134541124655739102904399 : BA329C4B6BA725E5
2008-12-13Jayson KingF-ECMFactor: 17310493215353952134541124655739102904399
2003-09-29-anonymous-NF-PM1B1=16777216, B2=1677721600, E=12
2003-09-29-anonymous-NF-PM1B1=8388608, B2=838860800, E=12
2003-07-06-anonymous-NF-PM1B1=4194304, B2=419430400, E=12
2003-05-19-anonymous-NF-PM1B1=2097152, B2=209715200, E=12
2003-04-27-anonymous-NF-PM1B1=1048576, B2=104857600, E=48
2003-04-03-anonymous-NF-PM1B1=524288, B2=52428800, E=48
2003-03-27-anonymous-NF-PM1B1=262144, B2=26214400, E=30
2003-02-02-anonymous-NF-PM1B1=131072, B2=13107200, E=30
2002-08-31-anonymous-NFno factor TF: 1-57
2002-07-14-anonymous-NF-PM1B1=65536, B2=6553600, E=12
2002-06-09-anonymous-NF-PM1B1=32768, B2=3276800
2002-04-28-anonymous-NF-PM1B1=16384, B2=1638400
2001-09-30-anonymous-NF-PM1B1=43000000, B2=4290000000
2001-07-17Alex KruppaNF-PM1B1=1000000, B2=100000000
2001-04-29-anonymous-NF-PM1B1=100000, B2=10000000
2000-09-15-anonymous-NFno factor TF: 1-56
2000-03-01-anonymous-NFno factor TF: 53-54
1999-09-14-anonymous-NFno factor TF: 52-53