It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 492 is not a prime number.
For example, 988 492 can be divided by 2: 988 492 / 2 = 494 246.
For 988 492 to be a prime number, it would have been required that 988 492 has only two divisors, i.e., itself and 1.
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988 492 is an even number, because it is evenly divisible by 2: 988 492 / 2 = 494 246.
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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 988 492 is about 994.229.
Thus, the square root of 988 492 is not an integer, and therefore 988 492 is not a square number.
The square of a number (here 988 492) is the result of the product of this number (988 492) by itself (i.e., 988 492 × 988 492); the square of 988 492 is sometimes called "raising 988 492 to the power 2", or "988 492 squared".
The square of 988 492 is 977 116 434 064 because 988 492 × 988 492 = 988 4922 = 977 116 434 064.
As a consequence, 988 492 is the square root of 977 116 434 064.
The multiples of 988 492 are all integers evenly divisible by 988 492, that is all numbers such that the remainder of the division by 988 492 is zero. There are infinitely many multiples of 988 492. The smallest multiples of 988 492 are: