Prime number definition with example explained

Do you know the prime number definition? We know that prime numbers are one of the special types of numbers in math. After going through this article you would able to know the definition of prime number.

Prime number definition with example

Learning and understanding prime number definition is very important for the students. We should know that Prime number and factor both have a relation. If we study the prime number definition we come to know the relation of prime number and factor. So we will try to know what is a prime number with an example.

Prime number definition as follows:

Any number with only two factors is called a prime number. Here the two factors are the number and 1.


Let us take a number 7.

If we find out the factors for the number 7, we observe that 7 have only two factors. The factors of 7 are 7 and 1. As 7 have only two factors so 7 is called as a prime number.

Do you have any idea about number of prime numbers from 1 to 100 and how to find them? There exists 25 prime numbers from 1 to 100 and we can find them by sieve Eratosthenes method. It is good that if all the students knows the list of prime numbers from 1 to 100.

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