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:





MnDetails
5813
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
7906300087499427775131514890782853936479588944145.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000004644 / 16550
Estimated T-Level: 46.4
TF below 2^149 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver Kruse1DAE55DBA6D978E61013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbk1DAE55DBA6D978E61013
Verified
No proof (small exponent)
2017-12-07ATH1DAE55DBA6D978E61440313
Verified
No proof (small exponent)
2020-04-17Oliver KruseFE68CB132AAEDED01498053
Verified
No proof (small exponent)
2024-02-03Wentao HuangFE68CB132AAEDED01109853
History
DateUserTypeResult
2025-05-27masserNF-PP1Start=174/53, B1=1500000000, B2=1498500000000
2024-02-03Wentao HuangC-PRPM5813/79063000874994277751315148907828539364795889 : FE68CB132AAEDED0
2023-07-21-anonymous-NF-PM1B1=43000000000, B2=180123354312952050
2021-07-05ViliamFNF-PM1B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRPM5813/79063000874994277751315148907828539364795889 : FE68CB132AAEDED0
2017-12-07ATHC-PRPM5813/79063000874994277751315148907828539364795889 : 1DAE55DBA6D978E6
2017-10-02kkmrkkblmbrbkC-PRPM5813/79063000874994277751315148907828539364795889 : 1DAE55DBA6D978E6
2017-09-21Oliver KruseC-PRPM5813/known_factors : 1DAE55DBA6D978E6
2003-01-16-anonymous-NF-PM1B1=4290000000
2002-12-31-anonymous-NFno factor TF: 1-57
2002-09-29-anonymous-NF-PM1B1=3221225472, B2=4290000000, E=48
2002-08-10-anonymous-NF-PM1B1=2147483648, B2=4290000000, E=48
2002-06-02-anonymous-NF-PM1B1=1073741824, B2=4290000000, E=48
2001-07-29-anonymous-NF-PM1B1=3000000000, B2=4290000000
2001-06-17-anonymous-NF-PM1B1=43000000, B2=4290000000
2001-02-11-anonymous-NF-PM1B1=1000000, B2=100000000
2000-08-10-anonymous-NFno factor TF: 1-56
2000-02-23-anonymous-NFno factor TF: 54-55
1999-12-30-anonymous-NFno factor TF: 53-54
1999-09-22-anonymous-NFno factor TF: 52-53