Question

1. find the prime factorisation of the following numbers:- (i) 72 (ii) 450 (iv) 663

Answer 1

i) 72
2 x 2 x 2 x 3 x 3

ii) 450
2 x 3 x 3 x 5 x 5

iii)663
3 x 13 x 17

Answer 2

Prime Factorisation Of 72 = 2*2*2*3*3.
Prime Factorisation Of 450 = 2*3*3*5*5.
Prime Factorisation Of 663 = 3*13*17.                    Answer..................