It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 307 is not a prime number.
For example, 988 307 can be divided by 37: 988 307 / 37 = 26 711.
For 988 307 to be a prime number, it would have been required that 988 307 has only two divisors, i.e., itself and 1.
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988 307 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 988 307 is about 994.136.
Thus, the square root of 988 307 is not an integer, and therefore 988 307 is not a square number.
The square of a number (here 988 307) is the result of the product of this number (988 307) by itself (i.e., 988 307 × 988 307); the square of 988 307 is sometimes called "raising 988 307 to the power 2", or "988 307 squared".
The square of 988 307 is 976 750 726 249 because 988 307 × 988 307 = 988 3072 = 976 750 726 249.
As a consequence, 988 307 is the square root of 976 750 726 249.
The multiples of 988 307 are all integers evenly divisible by 988 307, that is all numbers such that the remainder of the division by 988 307 is zero. There are infinitely many multiples of 988 307. The smallest multiples of 988 307 are: