is 2 6906763 - 1
has 2079143 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%4500072000000.13752.2356%4.439666.4391%
Difference----45000-7200000-0.1375-2.2356%-0.1375-0.7674%

Known prime factors (1 factor, 54.4 bits, 0.00078762% known):
Remaining cofactor is not a probable-prime

P-1GHz-days
exponentfactordigitsbits*kdate foundmin B1min B2min. TFmin. P-1normal P-1
6906763237507124345287771754.3991719380876
22 × 429845219		-44298452190.00057.404713.830

P-1 results:
No P-1 results for M6906763


Trial Factoring results:
No TF results for M6906763


ECM factoring results:
No ECM results for M6906763


Lucas-Lehmer results:
No L-L results for M6906763


PRP results:
dateuseridcompidcofactorsres64PRP
2018-01-18treborLaptop
23750712434528777
87C6A3D0889534__no
2019-01-21kkmrkkblmbrbkc5.large
23750712434528777
87C6A3D0889534A5no


P-1 factor-bounds graph:
100
101
100
101
102
103
104
105
106
107
108
109
TF factor-bounds graph:
this exponent TF target: 67
TF double-checked to: 67.8
250
260
270
Last modified: 2023-06-05T21:50:05+00:00