It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 998 169 is not a prime number.
For example, 998 169 can be divided by 3: 998 169 / 3 = 332 723.
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For 998 169 to be a prime number, it would have been required that 998 169 has only two divisors, i.e., itself and 1.
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998 169 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 998 169 is about 999.084.
Thus, the square root of 998 169 is not an integer, and therefore 998 169 is not a square number.
The square of a number (here 998 169) is the result of the product of this number (998 169) by itself (i.e., 998 169 × 998 169); the square of 998 169 is sometimes called "raising 998 169 to the power 2", or "998 169 squared".
The square of 998 169 is 996 341 352 561 because 998 169 × 998 169 = 998 1692 = 996 341 352 561.
As a consequence, 998 169 is the square root of 996 341 352 561.
The multiples of 998 169 are all integers evenly divisible by 998 169, that is all numbers such that the remainder of the division by 998 169 is zero. There are infinitely many multiples of 998 169. The smallest multiples of 998 169 are: