It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 242 497 is not a prime number.
For example, 242 497 can be divided by 19: 242 497 / 19 = 12 763.
For 242 497 to be a prime number, it would have been required that 242 497 has only two divisors, i.e., itself and 1.
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242 497 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 242 497 is about 492.440.
Thus, the square root of 242 497 is not an integer, and therefore 242 497 is not a square number.
The square of a number (here 242 497) is the result of the product of this number (242 497) by itself (i.e., 242 497 × 242 497); the square of 242 497 is sometimes called "raising 242 497 to the power 2", or "242 497 squared".
The square of 242 497 is 58 804 795 009 because 242 497 × 242 497 = 242 4972 = 58 804 795 009.
As a consequence, 242 497 is the square root of 58 804 795 009.
The multiples of 242 497 are all integers evenly divisible by 242 497, that is all numbers such that the remainder of the division by 242 497 is zero. There are infinitely many multiples of 242 497. The smallest multiples of 242 497 are: