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
6547Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
59542188179917696718472272.3old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001299 / 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 KruseE00BD0ADD8A28E891013
Verified2017-10-12kkmrkkblmbrbkE00BD0ADD8A28E891227813
Verified2020-04-17Oliver Kruse5061F06B990000501630153
Verified2024-02-03Wentao Huang5061F06B99000050115353
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M6547/5954218817991769671847 : 5061F06B99000050
PRP: Verified
PRP without proof (small exponent)
2023-08-08-Anonymous-NF-PM1
B1=37000000000, B2=148602986684101950
2021-12-17Oliver KruseNF-PM1
B1=1000000000, B2=1006397938886340
2020-04-17Oliver KruseC-PRP
M6547/5954218817991769671847 : 5061F06B99000050
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M6547/5954218817991769671847 : E00BD0ADD8A28E89
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6547/5954218817991769671847 : E00BD0ADD8A28E89
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6547/5954218817991769671847 : E00BD0ADD8A28E89
PRP without proof (not generated)