It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 989 089 is not a prime number.
For example, 989 089 can be divided by 113: 989 089 / 113 = 8 753.
For 989 089 to be a prime number, it would have been required that 989 089 has only two divisors, i.e., itself and 1.
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989 089 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 989 089 is about 994.530.
Thus, the square root of 989 089 is not an integer, and therefore 989 089 is not a square number.
The square of a number (here 989 089) is the result of the product of this number (989 089) by itself (i.e., 989 089 × 989 089); the square of 989 089 is sometimes called "raising 989 089 to the power 2", or "989 089 squared".
The square of 989 089 is 978 297 049 921 because 989 089 × 989 089 = 989 0892 = 978 297 049 921.
As a consequence, 989 089 is the square root of 978 297 049 921.
The multiples of 989 089 are all integers evenly divisible by 989 089, that is all numbers such that the remainder of the division by 989 089 is zero. There are infinitely many multiples of 989 089. The smallest multiples of 989 089 are: