40487
This number is a prime.
The smallest odd "non-generous" prime p with
the property that the smallest primitive root of p is not a primitive root of p2. (Only three non-generous primes are currently known; the others are 2 and 6692367337.) [Glasby]
Printed from the PrimePages <t5k.org> © G. L. Honaker and Chris K. Caldwell