It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 242 707 is not a prime number.
For example, 242 707 can be divided by 163: 242 707 / 163 = 1 489.
For 242 707 to be a prime number, it would have been required that 242 707 has only two divisors, i.e., itself and 1.
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242 707 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 242 707 is about 492.653.
Thus, the square root of 242 707 is not an integer, and therefore 242 707 is not a square number.
The square of a number (here 242 707) is the result of the product of this number (242 707) by itself (i.e., 242 707 × 242 707); the square of 242 707 is sometimes called "raising 242 707 to the power 2", or "242 707 squared".
The square of 242 707 is 58 906 687 849 because 242 707 × 242 707 = 242 7072 = 58 906 687 849.
As a consequence, 242 707 is the square root of 58 906 687 849.
The multiples of 242 707 are all integers evenly divisible by 242 707, that is all numbers such that the remainder of the division by 242 707 is zero. There are infinitely many multiples of 242 707. The smallest multiples of 242 707 are: