It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 533 742 is not a prime number.
For example, 533 742 can be divided by 2: 533 742 / 2 = 266 871.
For 533 742 to be a prime number, it would have been required that 533 742 has only two divisors, i.e., itself and 1.
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533 742 is an even number, because it is evenly divisible by 2: 533 742 / 2 = 266 871.
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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 533 742 is about 730.576.
Thus, the square root of 533 742 is not an integer, and therefore 533 742 is not a square number.
The square of a number (here 533 742) is the result of the product of this number (533 742) by itself (i.e., 533 742 × 533 742); the square of 533 742 is sometimes called "raising 533 742 to the power 2", or "533 742 squared".
The square of 533 742 is 284 880 522 564 because 533 742 × 533 742 = 533 7422 = 284 880 522 564.
As a consequence, 533 742 is the square root of 284 880 522 564.
The multiples of 533 742 are all integers evenly divisible by 533 742, that is all numbers such that the remainder of the division by 533 742 is zero. There are infinitely many multiples of 533 742. The smallest multiples of 533 742 are: