It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 413 242 is not a prime number.
For example, 413 242 can be divided by 2: 413 242 / 2 = 206 621.
For 413 242 to be a prime number, it would have been required that 413 242 has only two divisors, i.e., itself and 1.
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413 242 is an even number, because it is evenly divisible by 2: 413 242 / 2 = 206 621.
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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 413 242 is about 642.839.
Thus, the square root of 413 242 is not an integer, and therefore 413 242 is not a square number.
The square of a number (here 413 242) is the result of the product of this number (413 242) by itself (i.e., 413 242 × 413 242); the square of 413 242 is sometimes called "raising 413 242 to the power 2", or "413 242 squared".
The square of 413 242 is 170 768 950 564 because 413 242 × 413 242 = 413 2422 = 170 768 950 564.
As a consequence, 413 242 is the square root of 170 768 950 564.
The multiples of 413 242 are all integers evenly divisible by 413 242, that is all numbers such that the remainder of the division by 413 242 is zero. There are infinitely many multiples of 413 242. The smallest multiples of 413 242 are: