Is 235 a prime number?

No, 235 is not a prime number. It is a composite number: it ends in 5, so it is divisible by 5.

Why 235 is not prime

235 has divisors other than 1 and itself. The smallest is 5: 235 ÷ 5 = 47.

Prime factorization: 235 = 5 × 47.

Quick facts about 235

Is it prime? Nearby numbers

NumberPrime?
231No, 3 × 7 × 11
232No, 2 × 2 × 2 × 29
233Yes
234No, 2 × 3 × 3 × 13
236No, 2 × 2 × 59
237No, 3 × 79
238No, 2 × 7 × 17
239Yes

More about 235: 235 in binary.

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