Factor the composite number 42 into the product of prime numbers.
Answer= 1 , 7 , 3
1 is not considered to be a prime number; the primes are 2, 3, 5, 7, 11, 13, ...
42 = 2 x 21
42 = 2 x 3 x 7
The prime factorization of 42 is 2 x 3 x 7.
