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
9829
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
707689619.4old
14075129823.7old
15305528510571340.5old
6810281351638971549.3old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000006755 / 16550
Estimated T-Level: 47.0
TF below 2^151 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 Kruse760E6CAB5D2EFFB64013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbk760E6CAB5D2EFFB64013
Verified
No proof (small exponent)
2017-12-07ATH760E6CAB5D2EFFB64183813
Verified
No proof (small exponent)
2020-04-17Oliver Kruse6BDA7F56812E86A54380053
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk6BDA7F56812E86A54685453
History
DateUserTypeResult
2025-03-22masserNF-PP1Start=199/59, B1=1000000000, B2=999000000000
2024-07-01kkmrkkblmbrbkC-PRPM9829/14075129/1530552851057/681028135163897/707689 : 6BDA7F56812E86A5
2023-06-14JacobZNF-PM1B1=59000000000, B2=250256095608669150
2022-02-05JossNF-PM1B1=1000000, B2=6010952007060
2020-04-17Oliver KruseC-PRPM9829/707689/14075129/1530552851057/681028135163897 : 6BDA7F56812E86A5
2017-12-07ATHC-PRPM9829/707689/14075129/1530552851057/681028135163897 : 760E6CAB5D2EFFB6
2017-10-02kkmrkkblmbrbkC-PRPM9829/707689/14075129/1530552851057/681028135163897 : 760E6CAB5D2EFFB6
2017-09-21Oliver KruseC-PRPM9829/known_factors : 760E6CAB5D2EFFB6