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
5801
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
34807515.1old
200204113927.6old
825133760141291446.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000004890 / 16550
Estimated T-Level: 46.5
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 Kruse28D201C87F71E6593013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk28D201C87F71E6593466813
Verified
No proof (small exponent)
2020-04-17Oliver Kruse89FC72F321A32AA4368953
Verified
No proof (small exponent)
2024-02-03Wentao Huang89FC72F321A32AA43172853
History
DateUserTypeResult
2025-05-26masserNF-PP1Start=93/47, B1=1500000000, B2=1498500000000
2024-02-03Wentao HuangC-PRPM5801/34807/200204113/82513376014129 : 89FC72F321A32AA4
2023-07-20-anonymous-NF-PM1B1=43000000000, B2=180123354312952050
2021-07-05ViliamFNF-PM1B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRPM5801/34807/200204113/82513376014129 : 89FC72F321A32AA4
2017-10-12kkmrkkblmbrbkC-PRPM5801/34807/200204113/82513376014129 : 28D201C87F71E659
2017-09-21Oliver KruseC-PRPM5801/34807/200204113/82513376014129 : 28D201C87F71E659
2017-09-21Oliver KruseC-PRPM5801/34807/200204113/82513376014129 : 28D201C87F71E659