is 2 6951199 - 1
has 2092520 decimal digits
takes 1.516 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
Actual2674.274665.6716%----4.274665.6716%
Target2674.274665.6716%4500072000000.13752.2379%4.412166.4399%
Difference----45000-7200000-0.1375-2.2379%-0.1375-0.7683%

Known prime factors (2 factors, 108.4 bits, 0.00155928% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
695119968692443637911342.643494105
5 × 17 × 5813		-1758131.643e-70.00010.0002
6951199618390110555341639612065.7454448082342020
22 × 5 × 41 × 61141 × 88721		2019-04-1761141887211.82210.01980.0393

1 Composite Factors:
P-1 results:
No P-1 results for M6951199


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2019-04-17TJAOIManual testing265266*65.745200.7735.2112.656


ECM factoring results:
No ECM results for M6951199


Lucas-Lehmer results:
No L-L results for M6951199


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-25Oliver KruseGTX-1
6869244363791
5F667079744F97__no
2019-02-07kkmrkkblmbrbkc5.large
6869244363791
5F667079744F9783no
2019-04-18treborLaptop
6869244363791
61839011055534163961
5F667079744F9783no


P-1 factor-bounds graph:
100
101
102
103
104
105
100
101
102
103
104
105
TF factor-bounds graph:
266
this exponent TF target: 67
TF double-checked to: 67.8
250
260
270
Last modified: 2023-06-05T21:50:05+00:00