Question

Express each number as a product of its prime factors: 

i. 140 ii. 156 iii. 3825 iv. 5005 v. 7429

Answer 1

Solution:
i. 140 = 2 x 2 x 5 x 7 = 2² x 5 x 7
ii. 156 = 2 x 2 x 3 x 13 = 2² x 3 x 13
iii. 3825 = 3 x 3 x 5 x 5 x 17 = 3² x 5² x 17

iv. 5005 = 5 x 7 x 11 x 13
v. 7429 = 17 x 19 x 23