Q. Multiply. Write your answer in simplest form.66×39
Find Prime Factorization: Find the prime factorization of 66 and 39. The prime factorization of 66 is 2×3×11, and the prime factorization of 39 is 3×13. So, 66×39 can be expressed as 2×3×11×3×13.
Apply Multiplication Property: Apply the multiplication property of square roots: 2×3×11×3×13=2×3×11×3×13.
Group Perfect Square Factors: Group the perfect square factors: 2×3×11×3×13=2×32×11×13.
Pull Out Base: Pull out the base of the perfect square factor: 2×32×11×13=3×2×11×13.