Write the following sets in roster form :

$D = \{ x:x$ is a prime number which is divisor of $60\} $

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$D = \{ x:x$ is a prime number which is divisor of $60\} $

$2$ $60$
$2$ $30$
$3$ $15$
  $5$

$\therefore 60=2 \times 2 \times 3 \times 5$

The elements of this set are $2,3$ and $5$ only.

Therefore, this set can be written in roster form as $D=\{2,3,5\}$

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