It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 972 is not a prime number.
For example, 240 972 can be divided by 2: 240 972 / 2 = 120 486.
For 240 972 to be a prime number, it would have been required that 240 972 has only two divisors, i.e., itself and 1.
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240 972 is an even number, because it is evenly divisible by 2: 240 972 / 2 = 120 486.
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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 240 972 is about 490.889.
Thus, the square root of 240 972 is not an integer, and therefore 240 972 is not a square number.
The square of a number (here 240 972) is the result of the product of this number (240 972) by itself (i.e., 240 972 × 240 972); the square of 240 972 is sometimes called "raising 240 972 to the power 2", or "240 972 squared".
The square of 240 972 is 58 067 504 784 because 240 972 × 240 972 = 240 9722 = 58 067 504 784.
As a consequence, 240 972 is the square root of 58 067 504 784.
The multiples of 240 972 are all integers evenly divisible by 240 972, that is all numbers such that the remainder of the division by 240 972 is zero. There are infinitely many multiples of 240 972. The smallest multiples of 240 972 are: