Question

Write 40 as a product of prime factors.

Answer 1

$40 | \div 2 \\ 20 | \div 2 \\ 10 | \div 2 \\ 5 \\ \\ \boxed{40=2 \times 2 \times 2 \times 5}$

Answer 2

40
4* 10
2*2*5*2

therefore prime factors are : 2x2x2x5