It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 330 742 is not a prime number.
For example, 330 742 can be divided by 2: 330 742 / 2 = 165 371.
For 330 742 to be a prime number, it would have been required that 330 742 has only two divisors, i.e., itself and 1.
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330 742 is an even number, because it is evenly divisible by 2: 330 742 / 2 = 165 371.
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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 330 742 is about 575.102.
Thus, the square root of 330 742 is not an integer, and therefore 330 742 is not a square number.
The square of a number (here 330 742) is the result of the product of this number (330 742) by itself (i.e., 330 742 × 330 742); the square of 330 742 is sometimes called "raising 330 742 to the power 2", or "330 742 squared".
The square of 330 742 is 109 390 270 564 because 330 742 × 330 742 = 330 7422 = 109 390 270 564.
As a consequence, 330 742 is the square root of 109 390 270 564.
The multiples of 330 742 are all integers evenly divisible by 330 742, that is all numbers such that the remainder of the division by 330 742 is zero. There are infinitely many multiples of 330 742. The smallest multiples of 330 742 are: