1. Show that 30^239 + 239^30 is not prime.
2. Investigate when (p-1)^q + q^(p-1) is divisible by p, for primes p and q.
Fermat's Little Theorem may be helpful.
2. Investigate when (p-1)^q + q^(p-1) is divisible by p, for primes p and q.
Fermat's Little Theorem may be helpful.
