It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 979 is not a prime number.
For example, 240 979 can be divided by 397: 240 979 / 397 = 607.
For 240 979 to be a prime number, it would have been required that 240 979 has only two divisors, i.e., itself and 1.
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240 979 is an odd number, because it is not evenly divisible by 2.
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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 240 979 is about 490.896.
Thus, the square root of 240 979 is not an integer, and therefore 240 979 is not a square number.
The square of a number (here 240 979) is the result of the product of this number (240 979) by itself (i.e., 240 979 × 240 979); the square of 240 979 is sometimes called "raising 240 979 to the power 2", or "240 979 squared".
The square of 240 979 is 58 070 878 441 because 240 979 × 240 979 = 240 9792 = 58 070 878 441.
As a consequence, 240 979 is the square root of 58 070 878 441.
The multiples of 240 979 are all integers evenly divisible by 240 979, that is all numbers such that the remainder of the division by 240 979 is zero. There are infinitely many multiples of 240 979. The smallest multiples of 240 979 are: