Is 297 a prime number?

No, 297 is not a prime number. It is a composite number: its digits add up to 18, which is divisible by 3, so 297 is divisible by 3.

Why 297 is not prime

297 has divisors other than 1 and itself. The smallest is 3: 297 ÷ 3 = 99.

Prime factorization: 297 = 3 × 3 × 3 × 11 = 3³ × 11.

Quick facts about 297

Is it prime? Nearby numbers

NumberPrime?
293Yes
294No, 2 × 3 × 7 × 7
295No, 5 × 59
296No, 2 × 2 × 2 × 37
298No, 2 × 149
299No, 13 × 23
300No, 2 × 2 × 3 × 5 × 5
301No, 7 × 43

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