It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 997 173 is not a prime number.
For example, 997 173 can be divided by 3: 997 173 / 3 = 332 391.
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For 997 173 to be a prime number, it would have been required that 997 173 has only two divisors, i.e., itself and 1.
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997 173 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 997 173 is about 998.585.
Thus, the square root of 997 173 is not an integer, and therefore 997 173 is not a square number.
The square of a number (here 997 173) is the result of the product of this number (997 173) by itself (i.e., 997 173 × 997 173); the square of 997 173 is sometimes called "raising 997 173 to the power 2", or "997 173 squared".
The square of 997 173 is 994 353 991 929 because 997 173 × 997 173 = 997 1732 = 994 353 991 929.
As a consequence, 997 173 is the square root of 994 353 991 929.
The multiples of 997 173 are all integers evenly divisible by 997 173, that is all numbers such that the remainder of the division by 997 173 is zero. There are infinitely many multiples of 997 173. The smallest multiples of 997 173 are: