It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 339 is not a prime number.
For example, 988 339 can be divided by 11: 988 339 / 11 = 89 849.
For 988 339 to be a prime number, it would have been required that 988 339 has only two divisors, i.e., itself and 1.
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988 339 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 988 339 is about 994.152.
Thus, the square root of 988 339 is not an integer, and therefore 988 339 is not a square number.
The square of a number (here 988 339) is the result of the product of this number (988 339) by itself (i.e., 988 339 × 988 339); the square of 988 339 is sometimes called "raising 988 339 to the power 2", or "988 339 squared".
The square of 988 339 is 976 813 978 921 because 988 339 × 988 339 = 988 3392 = 976 813 978 921.
As a consequence, 988 339 is the square root of 976 813 978 921.
The multiples of 988 339 are all integers evenly divisible by 988 339, that is all numbers such that the remainder of the division by 988 339 is zero. There are infinitely many multiples of 988 339. The smallest multiples of 988 339 are: