Express each of the following integers as a product of its prime factors:
(i) 420 (ii) 468
(iii) 945 (iv) 7325
(i) Prime factor of 420 = 2 × 2 × 3 × 5 × 7
(ii) Prime factor of 468 = 2 × 2 × 3 × 3 × 13
(iii) Prime factor of 945 = 3 × 3 × 5 × 7
(v) Prime factor of 7325 = 5 × 5 × 293