It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 107 989 is not a prime number.
For example, 107 989 can be divided by 7: 107 989 / 7 = 15 427.
For 107 989 to be a prime number, it would have been required that 107 989 has only two divisors, i.e., itself and 1.
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107 989 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 107 989 is about 328.617.
Thus, the square root of 107 989 is not an integer, and therefore 107 989 is not a square number.
The square of a number (here 107 989) is the result of the product of this number (107 989) by itself (i.e., 107 989 × 107 989); the square of 107 989 is sometimes called "raising 107 989 to the power 2", or "107 989 squared".
The square of 107 989 is 11 661 624 121 because 107 989 × 107 989 = 107 9892 = 11 661 624 121.
As a consequence, 107 989 is the square root of 11 661 624 121.
The multiples of 107 989 are all integers evenly divisible by 107 989, that is all numbers such that the remainder of the division by 107 989 is zero. There are infinitely many multiples of 107 989. The smallest multiples of 107 989 are: