It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 13 937 is not a prime number.
For example, 13 937 can be divided by 7: 13 937 / 7 = 1 991.
For 13 937 to be a prime number, it would have been required that 13 937 has only two divisors, i.e., itself and 1.
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13 937 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 13 937 is about 118.055.
Thus, the square root of 13 937 is not an integer, and therefore 13 937 is not a square number.
The square of a number (here 13 937) is the result of the product of this number (13 937) by itself (i.e., 13 937 × 13 937); the square of 13 937 is sometimes called "raising 13 937 to the power 2", or "13 937 squared".
The square of 13 937 is 194 239 969 because 13 937 × 13 937 = 13 9372 = 194 239 969.
As a consequence, 13 937 is the square root of 194 239 969.
The multiples of 13 937 are all integers evenly divisible by 13 937, that is all numbers such that the remainder of the division by 13 937 is zero. There are infinitely many multiples of 13 937. The smallest multiples of 13 937 are: