Calculator Use

Prime Number Calculator is a free online tool that displays the Prime Number. This online Prime Number Calculator tool performs the calculation faster, and it displays the result in a fraction of seconds.

The procedure to use the Prime Number Calculator is as follows:

Step 1: Enter a values in the input field

Step 2: Now click the "Calculate" button to get the result

Step 3: Finally, The Prime Number will be displayed in the output field

What is a Prime Number?

Prime numbers are natural numbers that are divisible by only 1 and the number itself. In other words, prime numbers are positive integers greater than 1 with exactly two factors, 1 and the number itself.

Note that: 1 is not a Prime number.Because, number 1 has one and only one factor which is 1 itself.

How to Find Prime Numbers?

To find whether a number is prime, try dividing it with the prime numbers 2, 3, 5, 7 and 11.

If the number is exactly divisible by any of these numbers, it is not a prime number, otherwise, it is a prime.

Alternatively, we can find the prime numbers by writing their factors since a prime number has exactly two factors, 1 and the number itself.

What is the properties of prime numbers?

Some of the properties of prime numbers are listed below:

Every number greater than 1 can be divided by at least one prime number.

Every even positive integer greater than 2 can be expressed as the sum of two primes.

Except 2, all other prime numbers are odd. In other words, we can say that 2 is the only even prime number.

Two prime numbers are always coprime to each other.

Each composite number can be factored into prime factors and individually all of these are unique in nature.

What are prime numbers between 1 and 100?

The list of prime numbers between 1 and 100 are:

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 79, 83, 89, 97

So,there are 25 prime numbers in 100.