Question

1. Find the prime factorisation of the following
numbers using factorisation method.
a. 30 b. 15
d. 78
e. 120
c. 25​

Answer 1

Answer:

divide 30 by 2 you get 15

divide 15 by 3 you get 5

divide 5 by 5 you get 1

Step-by-step explanation:

(ii) divide 15 by 3 you get 5

divide 5 by 5 you get 1

(iii) divide 78 by 2 you get 39

divide 39 by 3 you get 13

divide 13 by 13 you get 1

apply this formula and you can solve all the questions

best of luck