Question

Express each number as a product of its prime factors:
(i) 140
(ii) 156
(iii) 3825
(iv) 5005
(v) 7429​

Answer 1

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(i) 140

Using the division of a number by prime numbers method, we can get the product of prime factors of 140.

Therefore, $140 = 2 × 2 × 5 × 7 × 1 = 2^2 × 5 × 7$

(ii) 156

Using the division of a number by prime numbers method, we can get the product of prime factors of 156.

Hence, $156 = 2 × 2 × 13 × 3 = 2^2 × 13 × 3$

(iii) 3825

Using the division of a number by prime numbers method, we can get the product of prime factors of 3825.

Hence, $3825 = 3 × 3 × 5 × 5 × 17 = 3^2 × 5^2 × 17$

(iv) 5005

Using the division of a number by prime numbers method, we can get the product of prime factors of 5005.

Hence, $5005 = 5 × 7 × 11 × 13 = 5 × 7 × 11 × 13$

(v) 7429

Using the division of a number by prime numbers method, we can get the product of prime factors of 7429.

Hence, $7429 = 17 × 19 × 23 = 17 × 19 × 23$

Answer 2

Step-by-step explanation:

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☆☞ [ Verified answer ]☜☆

140=>2×2×5×7×1=2²×5×7

156=>2²*13*3

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