37 41 43 47 53 59 61 341
No, 63 is not prime.
47 is prime.
63
47 as a product of prime factors is: 47. [47 is a prime number, so it only has itself as a prime factor - note 1 is NOT a prime number.]
31 and 47 are prime.
31 and 47 are prime, the rest composite.
It is: 63*47 = 2961
47
37 41 43 47 53 59 61 341
No, 63 is not prime.
It is a prime.
47 is prime.
63
47 as a product of prime factors is: 47. [47 is a prime number, so it only has itself as a prime factor - note 1 is NOT a prime number.]
47 is prime.
47 is a prime number.