Question

How many odd prime numbers are there between 1 and 20?​

Answer 1

Answer:

$8$

Step-by-step explanation:

A prime number is a number that times it self and 1.

An odd number is a number that is not divisible by 2.

So our range is 1 - 20

What numbers are prime within this range:

2,3,5,7,11,13,15,17,19

$9$  $numbers$

Now which out of these are odd?

2,3,5,7,11,13,15,17,19

$8$  $numbers$