It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 264 is not a prime number.
For example, 988 264 can be divided by 2: 988 264 / 2 = 494 132.
For 988 264 to be a prime number, it would have been required that 988 264 has only two divisors, i.e., itself and 1.
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988 264 is an even number, because it is evenly divisible by 2: 988 264 / 2 = 494 132.
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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 988 264 is about 994.115.
Thus, the square root of 988 264 is not an integer, and therefore 988 264 is not a square number.
The square of a number (here 988 264) is the result of the product of this number (988 264) by itself (i.e., 988 264 × 988 264); the square of 988 264 is sometimes called "raising 988 264 to the power 2", or "988 264 squared".
The square of 988 264 is 976 665 733 696 because 988 264 × 988 264 = 988 2642 = 976 665 733 696.
As a consequence, 988 264 is the square root of 976 665 733 696.
The multiples of 988 264 are all integers evenly divisible by 988 264, that is all numbers such that the remainder of the division by 988 264 is zero. There are infinitely many multiples of 988 264. The smallest multiples of 988 264 are: