Hello from MrBillDoesMath!
Answer:
Prime factorization: 18 = 2 * 3^2
Discussion:
18 = 9 *2 (every even number is divisible by 2)
= (3*3) *2 (as 9 = 3*3)
= 2 * 3^2
2, 3 are primes so 2 * 3^2 is the prime factorization
Thank you,
MrB
