Is 495 a prime number?

No, 495 is not a prime number. It is a composite number: it ends in 5, so it is divisible by 5.

Why 495 is not prime

495 has divisors other than 1 and itself. The smallest is 3: 495 ÷ 3 = 165.

Prime factorization: 495 = 3 × 3 × 5 × 11 = 3² × 5 × 11.

Quick facts about 495

Is it prime? Nearby numbers

NumberPrime?
491Yes
492No, 2 × 2 × 3 × 41
493No, 17 × 29
494No, 2 × 13 × 19
496No, 2 × 2 × 2 × 2 × 31
497No, 7 × 71
498No, 2 × 3 × 83
499Yes

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