72 = 6*12 = 3*2 * 4*3 = 3*2*2*2*3
72 = 2*2*2*3*3
72=2^3 * 3^2
You can check your answer by multiplying out the factors
2*2*2*3*3
2*2 is 4
4*2 is 8
8*3 is 24
24*3 is 72
checks
Answer:
To find out whether a prime factorization is correct, verify that all the factors are indeed prime. Then multiply the factors. The product should equal 72.
hope this helps