Question

List the prime factors of each of these numbers
a) 30
b) 24
c) 72
d) 100​

Answer 1

30= 2×3×5

24= 2cubed×3

72= 2cubed×3squared

100=2squared×5squared

Answer 2

Explanation:

a) 30 = 5 * 6 = 5 * 2 * 3

30 = 5 * 2 * 3

b) 24 = 4 * 6 = 2*2 * 2 * 3

24 = 2³ * 3

c) 72 = 8 * 9 = 2 *2 * 2 * 3 * 3

72 = 2³ * 3²

d) 100 = 10 * 10 = 2 * 5 * 2 * 5

100 = 2² * 5²