Is 210 a prime number?

No, 210 is not a prime number. It is a composite number: it is even, so it is divisible by 2.

Why 210 is not prime

210 has divisors other than 1 and itself. The smallest is 2: 210 ÷ 2 = 105.

Prime factorization: 210 = 2 × 3 × 5 × 7.

Quick facts about 210

Is it prime? Nearby numbers

NumberPrime?
206No, 2 × 103
207No, 3 × 3 × 23
208No, 2 × 2 × 2 × 2 × 13
209No, 11 × 19
211Yes
212No, 2 × 2 × 53
213No, 3 × 71
214No, 2 × 107

More about 210: 210 in binary.

Another number? Use the prime number checker for any value, or see the list of prime numbers.