It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 342 is not a prime number.
For example, 988 342 can be divided by 2: 988 342 / 2 = 494 171.
For 988 342 to be a prime number, it would have been required that 988 342 has only two divisors, i.e., itself and 1.
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988 342 is an even number, because it is evenly divisible by 2: 988 342 / 2 = 494 171.
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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 988 342 is about 994.154.
Thus, the square root of 988 342 is not an integer, and therefore 988 342 is not a square number.
The square of a number (here 988 342) is the result of the product of this number (988 342) by itself (i.e., 988 342 × 988 342); the square of 988 342 is sometimes called "raising 988 342 to the power 2", or "988 342 squared".
The square of 988 342 is 976 819 908 964 because 988 342 × 988 342 = 988 3422 = 976 819 908 964.
As a consequence, 988 342 is the square root of 976 819 908 964.
The multiples of 988 342 are all integers evenly divisible by 988 342, that is all numbers such that the remainder of the division by 988 342 is zero. There are infinitely many multiples of 988 342. The smallest multiples of 988 342 are: