Prime Numbers and Rainbow Styling

Prime numbers are incredibly fascinating! Enter a number below and see if it is prime:

Enter a number: Check if Prime!

Some Fun Facts About Prime Numbers:

• The number 2 is the only even prime number.
• There are an infinite number of prime numbers.
• The largest known prime number has over 23 million digits!
• Prime numbers are used in cryptography to keep information secure.
• Prime numbers are also widely used in coding theory.