It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 871 is not a prime number.
For example, 988 871 can be divided by 13: 988 871 / 13 = 76 067.
For 988 871 to be a prime number, it would have been required that 988 871 has only two divisors, i.e., itself and 1.
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988 871 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 988 871 is about 994.420.
Thus, the square root of 988 871 is not an integer, and therefore 988 871 is not a square number.
The square of a number (here 988 871) is the result of the product of this number (988 871) by itself (i.e., 988 871 × 988 871); the square of 988 871 is sometimes called "raising 988 871 to the power 2", or "988 871 squared".
The square of 988 871 is 977 865 854 641 because 988 871 × 988 871 = 988 8712 = 977 865 854 641.
As a consequence, 988 871 is the square root of 977 865 854 641.
The multiples of 988 871 are all integers evenly divisible by 988 871, that is all numbers such that the remainder of the division by 988 871 is zero. There are infinitely many multiples of 988 871. The smallest multiples of 988 871 are: