It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 572 is not a prime number.
For example, 988 572 can be divided by 2: 988 572 / 2 = 494 286.
For 988 572 to be a prime number, it would have been required that 988 572 has only two divisors, i.e., itself and 1.
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988 572 is an even number, because it is evenly divisible by 2: 988 572 / 2 = 494 286.
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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 988 572 is about 994.270.
Thus, the square root of 988 572 is not an integer, and therefore 988 572 is not a square number.
The square of a number (here 988 572) is the result of the product of this number (988 572) by itself (i.e., 988 572 × 988 572); the square of 988 572 is sometimes called "raising 988 572 to the power 2", or "988 572 squared".
The square of 988 572 is 977 274 599 184 because 988 572 × 988 572 = 988 5722 = 977 274 599 184.
As a consequence, 988 572 is the square root of 977 274 599 184.
The multiples of 988 572 are all integers evenly divisible by 988 572, that is all numbers such that the remainder of the division by 988 572 is zero. There are infinitely many multiples of 988 572. The smallest multiples of 988 572 are: