# Is 268 a prime number?

It is possible to find out using mathematical methods whether a given integer is a prime number or not.

For 268, the answer is: No, 268 is not a prime number.

The list of all positive divisors (i.e., the list of all integers that divide 268) is as follows: 1, 2, 4, 67, 134, 268.

For 268 to be a prime number, it would have been required that 268 has only two divisors, i.e., itself and 1.

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As a consequence:

- 268 is a multiple of 1
- 268 is a multiple of 2
- 268 is a multiple of 4
- 268 is a multiple of 67
- 268 is a multiple of 134

For 268 to be a prime number, it would have been required that 268 has only two divisors, i.e., itself and 1.

### Is 268 a deficient number?

Yes, 268 is a deficient number, that is to say 268 is a natural number that is strictly larger than the sum of its proper divisors, i.e., the divisors of 268 without 268 itself (that is 1 + 2 + 4 + 67 + 134 = 208).