Chapter SH, Problem 1.6E

To determine

To find: Whether the given number is prime or composite.

Answer to Problem 1.6E

The number $13$ is prime.

Explanation of Solution

Given:

The given number is $13$ .

Calculation:

The prime is one that is divisible only by 1 or by itself. On the other hand the composite number is one that is a whole number and divisible by more than two number.

The given number is $13$ .

The factors of $13$ are $1,13$ .

Thus the number $13$ is prime.