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:










MnStatusDetails
9547Factored
FactorDigitsBitsDate
631801367929.2old
104119526581371430792063.2old
5639782865830818600036012478.9old
887006033783964926801889327222019934112.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001281 / 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
Verified2017-09-21Oliver KruseAC8347A313641D144013
Verified2017-10-02kkmrkkblmbrbkAC8347A313641D144013
Verified2017-12-07ATHAC8347A313641D14482913
Unverified2020-04-17Oliver Kruse3356B088D186EA__4378753
History
DateUserTypeResult
2023-06-26JacobZNF-PM1
B1=60000000000, B2=244568457101868900
2022-02-03Lisander ViaeneNF-PM1
B1=100000000, B2=30555685210050
2022-02-03-Anonymous-NF-PM1
B1=50000, B2=15277839797220
2020-04-17Oliver KruseC-PRP
M9547/631801367/10411952658137143079/563978286583081860003601/8870060337839649268018893272220199 : 3356B088D186EA__
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M9547/631801367/10411952658137143079/563978286583081860003601/8870060337839649268018893272220199 : AC8347A313641D14
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M9547/631801367/10411952658137143079/563978286583081860003601/8870060337839649268018893272220199 : AC8347A313641D14
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9547/known_factors : AC8347A313641D14
PRP without proof (not generated)