It is itself because 31 is a Prime number
prime factorization of 12: 2 x 2 x 3
32 = 25
2 x 2 x 13 = 52
As a product of its prime factors: 2*3*5*5 = 150 or as 2*3*52 = 150
31 is prime so 31 is the prime factorization of 31
31 is a prime number. Its only prime factor is 31.
31 is a prime number.
31 is PRIME.
31 is prime.
31 is a prime number
31 is a prime number. Its only prime factor is 31.
211,141 is not a prime. 31 is a prime.