It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 542 164 is not a prime number.
For example, 542 164 can be divided by 2: 542 164 / 2 = 271 082.
For 542 164 to be a prime number, it would have been required that 542 164 has only two divisors, i.e., itself and 1.
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542 164 is an even number, because it is evenly divisible by 2: 542 164 / 2 = 271 082.
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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 542 164 is about 736.318.
Thus, the square root of 542 164 is not an integer, and therefore 542 164 is not a square number.
The square of a number (here 542 164) is the result of the product of this number (542 164) by itself (i.e., 542 164 × 542 164); the square of 542 164 is sometimes called "raising 542 164 to the power 2", or "542 164 squared".
The square of 542 164 is 293 941 802 896 because 542 164 × 542 164 = 542 1642 = 293 941 802 896.
As a consequence, 542 164 is the square root of 293 941 802 896.
The multiples of 542 164 are all integers evenly divisible by 542 164, that is all numbers such that the remainder of the division by 542 164 is zero. There are infinitely many multiples of 542 164. The smallest multiples of 542 164 are: