This number is a composite.
The smallest integer n such that n and n+1 are both products of at least 6 primes: 1215 = 3^5 * 5, 1216 = 2^6 * 19. [Post]
The smallest integer n such that n and n+1 are both products of
at least 6 primes: 1215 = 3^5 * 5, 1216 = 2^6 * 19. [Post]