Solution:
(i) 140
By a long division of 140, we will get the product of its prime factor.
Product of prime factors of 140 = 2 × 2 × 5 × 7 × 1 = 22 × 5 × 7
(ii) 156
By a long division of 156, we will get the product of its prime factors.
Product of prime factors of 156 = 2 × 2 × 13 × 3 × 1 = 22 × 13 × 3
(iii) 3825
By a long division of 3825, we will get the product of its prime factors.
Product of prime factors of 3825 = 3 × 3 × 5 × 5 × 17 × 1 = 32 × 52 × 17
(iv) 5005
By a long division of 5005, we will get the product of its prime factors.
Product of prime factors of 5005 = 5 × 7 × 11 × 13 × 1 = 5 × 7 × 11 × 13
(v) 7429
By a long division of 7429, we will get the product of its prime factors.
Product of prime factors of 7429 = 17 × 19 × 23 × 1 = 17 × 19 × 23