It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 749 is not a prime number.
For example, 988 749 can be divided by 3: 988 749 / 3 = 329 583.
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For 988 749 to be a prime number, it would have been required that 988 749 has only two divisors, i.e., itself and 1.
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988 749 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 988 749 is about 994.359.
Thus, the square root of 988 749 is not an integer, and therefore 988 749 is not a square number.
The square of a number (here 988 749) is the result of the product of this number (988 749) by itself (i.e., 988 749 × 988 749); the square of 988 749 is sometimes called "raising 988 749 to the power 2", or "988 749 squared".
The square of 988 749 is 977 624 585 001 because 988 749 × 988 749 = 988 7492 = 977 624 585 001.
As a consequence, 988 749 is the square root of 977 624 585 001.
The multiples of 988 749 are all integers evenly divisible by 988 749, that is all numbers such that the remainder of the division by 988 749 is zero. There are infinitely many multiples of 988 749. The smallest multiples of 988 749 are: