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Prime Number Calculator

Put the value and hit on calculate button to check whether the number is prime or not


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Prime Number Calculator

Prime number calculator is used to check whether the given number is prime or not and give true or false for that number, a true mean number is prime, and a false means number is not prime.

This prime calculator also gives the higher and lower prime numbers of the given number 

Note: You can write the input from (1 to 9999999)

What is a prime number?

A prime number is a sequence of numbers in a real line and these are the number which has only two positive divisors and only two negative divisors. You can say a number is called a prime number if it divides by itself and also with 1.

For Example:

2 is a prime number it divides by itself and also with 1.    

Here is a list of prime numbers from 1 to 100

Prime Numbers

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

Examples

Example 1:

131 is a prime number or not.

Solution

Yes, it’s a prime number.

131/131, 131/1

Because it has only two positive divisors.

Example 2:

162 is a prime number or not.

Solution

No, it’s not a prime number.

162/162,162/2,162/3, 162/1

Because it has more than two positive divisors.

Here are a few more examples

Number

Prime number

66

False

43

True

67

True

12

False

59

True

79

True

34

False

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