# Is 13885 a prime number?

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

No, 13 885 is not a prime number.

For example, 13 885 can be divided by 5: 13 885 / 5 = 2 777.

Actually, one can immediately see that 13 885 cannot be prime, because 5 is one of its divisors: indeed, a number ending with 0 or 5 has necessarily 5 among its divisors.
The last digit of 13 885 is 5, so it is divisible by 5 and is therefore *not* prime.

For 13 885 to be a prime number, it would have been required that 13 885 has only two divisors, i.e., itself and 1.

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