It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 268 is not a prime number.
For example, 988 268 can be divided by 2: 988 268 / 2 = 494 134.
For 988 268 to be a prime number, it would have been required that 988 268 has only two divisors, i.e., itself and 1.
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988 268 is an even number, because it is evenly divisible by 2: 988 268 / 2 = 494 134.
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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 988 268 is about 994.117.
Thus, the square root of 988 268 is not an integer, and therefore 988 268 is not a square number.
The square of a number (here 988 268) is the result of the product of this number (988 268) by itself (i.e., 988 268 × 988 268); the square of 988 268 is sometimes called "raising 988 268 to the power 2", or "988 268 squared".
The square of 988 268 is 976 673 639 824 because 988 268 × 988 268 = 988 2682 = 976 673 639 824.
As a consequence, 988 268 is the square root of 976 673 639 824.
The multiples of 988 268 are all integers evenly divisible by 988 268, that is all numbers such that the remainder of the division by 988 268 is zero. There are infinitely many multiples of 988 268. The smallest multiples of 988 268 are: