Primes that do the job up to 103
I found that the primes that do the job up to p=103 are: 3, 7, 43.
Is there some relation with the fact that
10^r+333667 is prime for r=3,7 and 43 and no other prime r up to r=26.000?
Last fiddled with by enzocreti on 20190410 at 15:06
