n=394 (no octoproths found)
 

[code]
n=394, kmin=0T, kmax=200T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=7306264
Time=8273 sec.
n=394, kmin=200T, kmax=400T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=7305764
Time=8166 sec.
n=394, kmin=400T, kmax=600T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=7304736
Time=8571 sec.
n=394, kmin=600T, kmax=800T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=7305129
Time=8230 sec.
n=394, kmin=800T, kmax=1000T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=7307063
Time=8228 sec.
[/code]

n=395 (no octoproths found)
 

[code]
n=395, kmin=0T, kmax=200T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=6880803
Time=6044 sec.
n=395, kmin=200T, kmax=400T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=6882941
Time=6003 sec.
n=395, kmin=400T, kmax=600T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=6884546
Time=6033 sec.
n=395, kmin=600T, kmax=800T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=6882233
Time=5982 sec.
n=395, kmin=800T, kmax=1000T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=6881250
Time=6071 sec.
[/code]

n=396 (no octoproths found)
 

[code]
n=396, kmin=0T, kmax=200T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=3033982
Time=3177 sec.
n=396, kmin=200T, kmax=400T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=3029409
Time=3208 sec.
n=396, kmin=400T, kmax=600T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=3032616
Time=3167 sec.
n=396, kmin=600T, kmax=800T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=3033644
Time=3198 sec.
n=396, kmin=800T, kmax=1000T, version=6.0, here T=10^12
Starting the sieve...
Using the first 9 primes to reduce the size of the sieve array
The sieving is complete.
Number of Prp tests=3031923
Time=3211 sec.
[/code]