It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 998 327 is not a prime number.
For example, 998 327 can be divided by 11: 998 327 / 11 = 90 757.
For 998 327 to be a prime number, it would have been required that 998 327 has only two divisors, i.e., itself and 1.
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998 327 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 998 327 is about 999.163.
Thus, the square root of 998 327 is not an integer, and therefore 998 327 is not a square number.
The square of a number (here 998 327) is the result of the product of this number (998 327) by itself (i.e., 998 327 × 998 327); the square of 998 327 is sometimes called "raising 998 327 to the power 2", or "998 327 squared".
The square of 998 327 is 996 656 798 929 because 998 327 × 998 327 = 998 3272 = 996 656 798 929.
As a consequence, 998 327 is the square root of 996 656 798 929.
The multiples of 998 327 are all integers evenly divisible by 998 327, that is all numbers such that the remainder of the division by 998 327 is zero. There are infinitely many multiples of 998 327. The smallest multiples of 998 327 are: