Prime Number Checker
Check if a number is prime and find prime numbers in a range
Check Single Number
Enter a number to check if it's prime and see its factors
Enter a number between 0 and 1,000,000
Prime Number Facts
First 10 Prime Numbers:
2
3
5
7
11
13
17
19
23
29
Prime Number Properties:
- • 2 is the only even prime number
- • All primes > 2 are odd
- • There are infinitely many primes
- • 1 is not considered a prime number
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