It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 758 is not a prime number.
For example, 988 758 can be divided by 2: 988 758 / 2 = 494 379.
For 988 758 to be a prime number, it would have been required that 988 758 has only two divisors, i.e., itself and 1.
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988 758 is an even number, because it is evenly divisible by 2: 988 758 / 2 = 494 379.
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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 988 758 is about 994.363.
Thus, the square root of 988 758 is not an integer, and therefore 988 758 is not a square number.
The square of a number (here 988 758) is the result of the product of this number (988 758) by itself (i.e., 988 758 × 988 758); the square of 988 758 is sometimes called "raising 988 758 to the power 2", or "988 758 squared".
The square of 988 758 is 977 642 382 564 because 988 758 × 988 758 = 988 7582 = 977 642 382 564.
As a consequence, 988 758 is the square root of 977 642 382 564.
The multiples of 988 758 are all integers evenly divisible by 988 758, that is all numbers such that the remainder of the division by 988 758 is zero. There are infinitely many multiples of 988 758. The smallest multiples of 988 758 are: