Long primes up to 316

Long primes: Long prime in base b is a prime number p such that the formula (b^(p-1)-1)/p (where p does not divide b) gives a cyclic number.

There is 24 long primes smaller than 316.

Checkout long primes up to: 100, 500, 1000, 10000.

7, 17, 19, 23, 29, 47, 59, 61, 97, 109, 113, 131, 149, 167, 179, 181, 193, 223, 229, 233, 257, 263, 269, 313

• Learn more about Long primes.
• All long primes