Question

Express 72 as a product of prime numbers by completing the factor tree

Answer 1

The Prime Factors are:
2 x 2 x 2 x 3 x 3

In Exponential Form:
2^3 x 3^2

Prime Factors Tree
72
/ \
2 36
/ \
2 18
/ \
2 9
/ \
3 3

Answer 2

72
∧
9 · 8
∧ ∧
3·3 2·4
∧
2·2 Prime factors are bold
2 x 2 x2 x 3 x 3 = 2³ x 3² - answer