Question

Write the prime factor form of the following:
(i) 70
(ii) 105
(iii) 150
(iv) 810 [3 MARKS]

Answer 1

Concept: 1 Mark
Appllication: 0.5 Mark each

Prime factor form

$\left(i\right)70=2\times 5\times 7$

$\left(ii\right)105=3\times 5\times 7$

$\left(iii\right)150=2\times 3\times 5\times 5$

$\left(iv\right)810=2\times 3\times 3\times 3\times 3\times 5$