About Prime Numbers
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself. Examples: 2, 3, 5, 7, 11, 13, 17, 19, 23, 29...
How to Use
- Enter a number to check
- Click the Check button
- See if the number is prime or not
Properties of Prime Numbers
- 2 is the only even prime number
- All other prime numbers are odd
- 1 is not considered a prime number
- Prime numbers are the building blocks of all numbers