It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 997 342 is not a prime number.
For example, 997 342 can be divided by 2: 997 342 / 2 = 498 671.
For 997 342 to be a prime number, it would have been required that 997 342 has only two divisors, i.e., itself and 1.
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997 342 is an even number, because it is evenly divisible by 2: 997 342 / 2 = 498 671.
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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 997 342 is about 998.670.
Thus, the square root of 997 342 is not an integer, and therefore 997 342 is not a square number.
The square of a number (here 997 342) is the result of the product of this number (997 342) by itself (i.e., 997 342 × 997 342); the square of 997 342 is sometimes called "raising 997 342 to the power 2", or "997 342 squared".
The square of 997 342 is 994 691 064 964 because 997 342 × 997 342 = 997 3422 = 994 691 064 964.
As a consequence, 997 342 is the square root of 994 691 064 964.
The multiples of 997 342 are all integers evenly divisible by 997 342, that is all numbers such that the remainder of the division by 997 342 is zero. There are infinitely many multiples of 997 342. The smallest multiples of 997 342 are: