Prime Number Checker
Check if numbers are prime, find prime factors, and generate prime numbers within ranges.
Prime Number Checker
Enter a positive integer to check if it's prime
For generating prime numbers in range
For generating prime numbers in range
Results
Your prime number results will appear here...
Prime Numbers
Definition:
A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.
First 10 Primes:
2, 3, 5, 7, 11, 13, 17, 19, 23, 29
Properties:
There are infinitely many prime numbers.
Prime Number Tips
- 2 is the only even prime number
- All primes except 2 are odd
- Use for cryptography
- Great for mathematical puzzles
Calculation History
Your prime number calculation history will appear here...