It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 989 508 is not a prime number.
For example, 989 508 can be divided by 2: 989 508 / 2 = 494 754.
For 989 508 to be a prime number, it would have been required that 989 508 has only two divisors, i.e., itself and 1.
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989 508 is an even number, because it is evenly divisible by 2: 989 508 / 2 = 494 754.
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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 989 508 is about 994.740.
Thus, the square root of 989 508 is not an integer, and therefore 989 508 is not a square number.
The square of a number (here 989 508) is the result of the product of this number (989 508) by itself (i.e., 989 508 × 989 508); the square of 989 508 is sometimes called "raising 989 508 to the power 2", or "989 508 squared".
The square of 989 508 is 979 126 082 064 because 989 508 × 989 508 = 989 5082 = 979 126 082 064.
As a consequence, 989 508 is the square root of 979 126 082 064.
The multiples of 989 508 are all integers evenly divisible by 989 508, that is all numbers such that the remainder of the division by 989 508 is zero. There are infinitely many multiples of 989 508. The smallest multiples of 989 508 are: