Prime Number Checker

Check primality, factorization, divisors, and nearest primes.

Enter Values

Results

Composite

Prime Factorization

---

All Divisors

---

Nearest Lower Prime

None

Nearest Higher Prime

0

n is prime if ∄ p≤n such that p∣nn \text{ is prime if } \nexists\, p \le \sqrt{n} \text{ such that } p \mid n