It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 412 742 is not a prime number.
For example, 412 742 can be divided by 2: 412 742 / 2 = 206 371.
For 412 742 to be a prime number, it would have been required that 412 742 has only two divisors, i.e., itself and 1.
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412 742 is an even number, because it is evenly divisible by 2: 412 742 / 2 = 206 371.
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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 412 742 is about 642.450.
Thus, the square root of 412 742 is not an integer, and therefore 412 742 is not a square number.
The square of a number (here 412 742) is the result of the product of this number (412 742) by itself (i.e., 412 742 × 412 742); the square of 412 742 is sometimes called "raising 412 742 to the power 2", or "412 742 squared".
The square of 412 742 is 170 355 958 564 because 412 742 × 412 742 = 412 7422 = 170 355 958 564.
As a consequence, 412 742 is the square root of 170 355 958 564.
The multiples of 412 742 are all integers evenly divisible by 412 742, that is all numbers such that the remainder of the division by 412 742 is zero. There are infinitely many multiples of 412 742. The smallest multiples of 412 742 are: