Nathim's present age is a factor of 72. Two years ago, his age was a multiple of 4. Write down the possible present of ages Nathim. Ans: ___

1. List all factors of 72 to find the possible present ages.

Factors of $72$: $1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72$.

2. Find the corresponding ages two years ago by subtracting 2 from each factor.

Ages two years ago ($x - 2$):
$-1, 0, 1, 2, 4, 6, 7, 10, 16, 22, 34, 70$

3. Identify which of these past ages are multiples of 4.

The positive multiples of $4$ in the list are $4$ and $16$.
These correspond to the present ages of $6$ and $18$.