How many prime numbers are there from 1 to 10?
1 Answer
Mar 7, 2018
See a solution process below;
Explanation:
Definition of a Prime Number: A Prime Number can be divided exactly only by 1, or itself. And it must be a whole number greater than 1.
Therefore:
1 is not a prime number: it is not greater than 1.
2 is a prime number: it is only divisible by 1 and 2
3 is a prime number: it is only divisible by 1 and 3
4 = 2 x 2 it is not a prime number
5 is a prime number: it is only divisible by 1 and 5
6 = 2 x 3 it is not a prime number
7 is a prime number: it is only divisible by 1 and 7
8 = 2 x 4 it is not a prime number
9 = 3 x 3 it is not a prime number
10 = 2 x 5 it is not a prime number
Therefore, the prime numbers are: 2, 3, 5, 7
