Prime Number Checker

Check if a number is prime and discover all its factors

Enter Number

Prime numbers are the building blocks of mathematics. They play a crucial role in number theory, cryptography, and computer science.

Enter any positive integer greater than 1

Click "Check Prime" to analyze the number

View whether the number is prime or composite

See all factors of the number

Understand the mathematical properties

Prime Number Properties:

Exactly two factors: 1 and the number itself

Greater than 1: 1 is not considered prime

Infinite: There are infinitely many prime numbers

Unique factorization: Every number has a unique prime factorization

Examples of Prime Numbers:

Small primes: 2, 3, 5, 7, 11, 13, 17, 19, 23

Larger primes: 97, 101, 103, 107, 109

Special primes: 2 (only even prime), Mersenne primes

Non-primes: 4, 6, 8, 9, 10, 12, 14, 15, 16, 18

Real-World Applications:

Cryptography: RSA encryption uses large prime numbers

Computer Science: Hash functions and algorithms

Mathematics: Number theory and mathematical proofs

Education: Fundamental concept in mathematics