is 2 6929519 - 1
has 2085994 decimal digits
takes 1.511 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
Actual2674.288065.6716%----4.288065.6716%
Target2674.288065.6716%450009000000.02902.2368%4.317066.4395%
Difference----45000-900000-0.0290-2.2368%-0.0290-0.7679%

Known prime factors (4 factors, 149.1 bits, 0.00215114% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
692951913859039823.7241
1
-111.613e-133.162e-76.435e-7
6929519221744609927.72416
24
2008-09-0816162.589e-125.059e-61.030e-5
692951923161778667131341.075167124
22 × 3 × 19 × 733
2008-09-08197334.963e-81.831e-52.369e-5
69295191047767710303115031856.5407560176329
2897 × 2609657
2015-04-10289726096570.00250.04580.0840

11 Composite Factors:
P-1 results:
No P-1 results for M6929519


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08Will EdgingtonManual testing??27.72498.93611e-157.3394.34026e-14
2008-09-08Will EdgingtonManual testing??41.075137.35706e-97.3393.57332e-8
2015-04-10TJAOIManual testing256257*56.540180.0017.3360.005


ECM factoring results:
No ECM results for M6929519


Lucas-Lehmer results:
No L-L results for M6929519


PRP results:
dateuseridcompidcofactorsres64PRP
2017-10-14kkmrkkblmbrbkc4.xlarge2CEFDE394E9DF6__no
2018-03-07AdolfNorManual testing
13859039
221744609
2316177866713
104776771030311503
2CEFDE394E9DF6__no


P-1 factor-bounds graph:
100
101
102
103
104
100
101
102
103
104
105
106
107
TF factor-bounds graph:
257
2
this exponent TF target: 67
TF double-checked to: 67.8
250
260
270
Last modified: 2023-04-26T21:34:10+00:00