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 $D=\{2,3,5\}$

Similar Questions

Write the solution set of the equation ${x^2} + x - 2 = 0$ in roster form.

Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?

$\{ 3,4\}  \in A$

Are the following pair of sets equal ? Give reasons.

$A = \{ 2,3\} ,\quad \,\,\,B = \{ x:x$ is solution of ${x^2} + 5x + 6 = 0\} $

Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?

$\varnothing \in A$

Which of the following sets are finite or infinite.

The set of prime numbers less than $99$