Question

A number which is not a factor of every number is:

• A. $1$
• B. $2$
• C. $3$
• D. $5$

Answer 1

Answer: (B), (C), (D)

The correct options are
B $5$
C $3$
D $2$

Factor of a number means that its multiple is totally divisible by that number.

$1$ is a divisible of every number i.e it divides every number.

So, $1$ is the number which is a factor of every number.

Hence, the answer is $B,C$ & $D$.