It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 752 742 is not a prime number.
For example, 752 742 can be divided by 2: 752 742 / 2 = 376 371.
For 752 742 to be a prime number, it would have been required that 752 742 has only two divisors, i.e., itself and 1.
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752 742 is an even number, because it is evenly divisible by 2: 752 742 / 2 = 376 371.
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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 752 742 is about 867.607.
Thus, the square root of 752 742 is not an integer, and therefore 752 742 is not a square number.
The square of a number (here 752 742) is the result of the product of this number (752 742) by itself (i.e., 752 742 × 752 742); the square of 752 742 is sometimes called "raising 752 742 to the power 2", or "752 742 squared".
The square of 752 742 is 566 620 518 564 because 752 742 × 752 742 = 752 7422 = 566 620 518 564.
As a consequence, 752 742 is the square root of 566 620 518 564.
The multiples of 752 742 are all integers evenly divisible by 752 742, that is all numbers such that the remainder of the division by 752 742 is zero. There are infinitely many multiples of 752 742. The smallest multiples of 752 742 are: