is 2 6957001 - 1
has 2094266 decimal digits
takes 1.517 GHz-days to do one PRP test
Last-known PrimeNet details:
Exponent is not assigned to anyone
0 primality tests remaining
ResidueStatus
L-L-unknown--unknown-
PRP-unknown--unknown-

 Trial FactoringP-1 FactoringCombined
LimitGHz-daysProbabilityB1B2GHz-daysProbabilityGHz-daysProbability
Actual2674.271165.6716%----4.271165.6716%
Target2674.271165.6716%450009000000.02902.2383%4.300066.4400%
Difference----45000-900000-0.0290-2.2383%-0.0290-0.7684%

Known prime factors (1 factor, 30.9 bits, 0.00044357% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
695700119479602811030.859140
22 × 5 × 7		-572.118e-111.615e-63.217e-6

P-1 results:
No P-1 results for M6957001


Trial Factoring results:
No TF results for M6957001


ECM factoring results:
No ECM results for M6957001


Lucas-Lehmer results:
No L-L results for M6957001


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-23Tomas S. KindlZ-1315_1
1947960281
F386374E539F3C__no
2019-02-10kkmrkkblmbrbkc5.large
1947960281
F386374E539F3CF2no


P-1 factor-bounds graph:
100
101
100
101
TF factor-bounds graph:
this exponent TF target: 67
TF double-checked to: 67.8
250
260
270
Last modified: 2023-04-26T21:34:10+00:00