It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 496 742 is not a prime number.
For example, 496 742 can be divided by 2: 496 742 / 2 = 248 371.
For 496 742 to be a prime number, it would have been required that 496 742 has only two divisors, i.e., itself and 1.
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496 742 is an even number, because it is evenly divisible by 2: 496 742 / 2 = 248 371.
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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 496 742 is about 704.799.
Thus, the square root of 496 742 is not an integer, and therefore 496 742 is not a square number.
The square of a number (here 496 742) is the result of the product of this number (496 742) by itself (i.e., 496 742 × 496 742); the square of 496 742 is sometimes called "raising 496 742 to the power 2", or "496 742 squared".
The square of 496 742 is 246 752 614 564 because 496 742 × 496 742 = 496 7422 = 246 752 614 564.
As a consequence, 496 742 is the square root of 246 752 614 564.
The multiples of 496 742 are all integers evenly divisible by 496 742, that is all numbers such that the remainder of the division by 496 742 is zero. There are infinitely many multiples of 496 742. The smallest multiples of 496 742 are: