Question

Are 113 and 127 twin primes ? why ? if not why?

Answer 1

no, 113 and 127 are not twin primes as they are not two consecutive odd numbers. 3 and 5, 5 and 7, 11 and 13 etc are twin primes as they are two consecutive odd numbers. 9 is a composite number as it is divisible by 3( 3 x 3 = 9)