It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 749 489 is not a prime number.
For example, 749 489 can be divided by 13: 749 489 / 13 = 57 653.
For 749 489 to be a prime number, it would have been required that 749 489 has only two divisors, i.e., itself and 1.
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749 489 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 749 489 is about 865.730.
Thus, the square root of 749 489 is not an integer, and therefore 749 489 is not a square number.
The square of a number (here 749 489) is the result of the product of this number (749 489) by itself (i.e., 749 489 × 749 489); the square of 749 489 is sometimes called "raising 749 489 to the power 2", or "749 489 squared".
The square of 749 489 is 561 733 761 121 because 749 489 × 749 489 = 749 4892 = 561 733 761 121.
As a consequence, 749 489 is the square root of 561 733 761 121.
The multiples of 749 489 are all integers evenly divisible by 749 489, that is all numbers such that the remainder of the division by 749 489 is zero. There are infinitely many multiples of 749 489. The smallest multiples of 749 489 are: