Question

put a check by all the prime numbers.
5
8
15
19
22
25
none of the above

Explanation:

Step1: Define Prime Number

A prime number is a number greater than 1 that has no positive divisors other than 1 and itself.

Step2: Check 5

5 is greater than 1. Its divisors are 1 and 5, so it is prime.

Step3: Check 8

8 is greater than 1. Its divisors are 1, 2, 4, 8, so it is not prime.

Step4: Check 15

15 is greater than 1. Its divisors are 1, 3, 5, 15, so it is not prime.

Step5: Check 19

19 is greater than 1. Its divisors are 1 and 19, so it is prime.

Step6: Check 22

22 is greater than 1. Its divisors are 1, 2, 11, 22, so it is not prime.

Step7: Check 25

25 is greater than 1. Its divisors are 1, 5, 25, so it is not prime.

Answer:

The prime numbers are 5 and 19, so the boxes next to 5 and 19 should be checked. In the given options (with the checkboxes), the correct ones to check are:

• The checkbox next to 5
• The checkbox next to 19