is 2 6906803 - 1
has 2079155 decimal digits
takes 1.506 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
Actual2674.302165.6716%----4.302165.6716%
Target2674.302165.6716%450009000000.02902.2356%4.331166.4391%
Difference----45000-900000-0.0290-2.2356%-0.0290-0.7674%

Known prime factors (3 factors, 116.5 bits, 0.00168683% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
69068031029389919131236.5837452
22 × 34 × 23		-81812.138e-92.561e-55.212e-5
69068033908697953771238.50828296
23 × 33 × 131		2008-09-08271315.963e-91.033e-51.737e-5
690680329320207551371341.415212256
25 × 32 × 11 × 67		2013-11-2232678.241e-81.072e-52.059e-5

4 Composite Factors:
P-1 results:
No P-1 results for M6906803


Trial Factoring results:
 BitsFactorGHz-Daysworth
dateuseridcompidfromtofactorbits*digitsspentsaved
2008-09-08Will EdgingtonManual testing??38.508126.61008e-107.3433.22292e-9
2013-11-22TJAOIManual testing??41.415133.99910e-87.3431.94986e-7


ECM factoring results:
No ECM results for M6906803


Lucas-Lehmer results:
No L-L results for M6906803


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-22Oliver KruseGTX-1
102938991913
390869795377
2932020755137
86ECA6FAE39A25__no
2019-01-21RuzovejAcer_Duchcov
102938991913
390869795377
2932020755137
86ECA6FAE39A2528no


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