What is the gcf of 24 and 90 with work shown?

Answer 1

2 x 2 x 2 x 3 = 24

3 x 3 x 5 = 45

The GCF is 3.

Answer 2

So you see both are even. divide by 2.

leaves 12 and 45

Both are divisible by 3

leaves 4 and 15. These are not further divisible

2x3=6

Answer 3

2 x 2 x 2 x 3 = 24

2 x 3 x 3 x 5 = 90

2 x 2 x 5 x 5 = 100

2 x 2 x 2 x 3 x 3 x 5 x 5 = 1800, the LCM

Answer 4

720