How many of the following numbers are prime? 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18
How many of the following numbers are prime? 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18
Explanation
Let's identify the prime numbers from the list:
Given numbers:
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18
A prime number has only two divisors: 1 and itself.
Prime numbers are:
7
11
13
17
Total prime numbers = 4