It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 172 is not a prime number.
For example, 240 172 can be divided by 2: 240 172 / 2 = 120 086.
For 240 172 to be a prime number, it would have been required that 240 172 has only two divisors, i.e., itself and 1.
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240 172 is an even number, because it is evenly divisible by 2: 240 172 / 2 = 120 086.
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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 240 172 is about 490.073.
Thus, the square root of 240 172 is not an integer, and therefore 240 172 is not a square number.
The square of a number (here 240 172) is the result of the product of this number (240 172) by itself (i.e., 240 172 × 240 172); the square of 240 172 is sometimes called "raising 240 172 to the power 2", or "240 172 squared".
The square of 240 172 is 57 682 589 584 because 240 172 × 240 172 = 240 1722 = 57 682 589 584.
As a consequence, 240 172 is the square root of 57 682 589 584.
The multiples of 240 172 are all integers evenly divisible by 240 172, that is all numbers such that the remainder of the division by 240 172 is zero. There are infinitely many multiples of 240 172. The smallest multiples of 240 172 are: