Prime Check
Is it prime?
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Quick Examples
Prime Number Guide
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
- 2 is the only even prime
- All primes > 3 are of form 6k±1
- Every integer > 1 has a unique prime factorization
Fun Fact:
The largest known prime number (as of 2024) has over 24 million digits!
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