It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 998 059 is not a prime number.
For example, 998 059 can be divided by 673: 998 059 / 673 = 1 483.
For 998 059 to be a prime number, it would have been required that 998 059 has only two divisors, i.e., itself and 1.
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998 059 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 998 059 is about 999.029.
Thus, the square root of 998 059 is not an integer, and therefore 998 059 is not a square number.
The square of a number (here 998 059) is the result of the product of this number (998 059) by itself (i.e., 998 059 × 998 059); the square of 998 059 is sometimes called "raising 998 059 to the power 2", or "998 059 squared".
The square of 998 059 is 996 121 767 481 because 998 059 × 998 059 = 998 0592 = 996 121 767 481.
As a consequence, 998 059 is the square root of 996 121 767 481.
The multiples of 998 059 are all integers evenly divisible by 998 059, that is all numbers such that the remainder of the division by 998 059 is zero. There are infinitely many multiples of 998 059. The smallest multiples of 998 059 are: