It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 242 316 is not a prime number.
For example, 242 316 can be divided by 2: 242 316 / 2 = 121 158.
For 242 316 to be a prime number, it would have been required that 242 316 has only two divisors, i.e., itself and 1.
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242 316 is an even number, because it is evenly divisible by 2: 242 316 / 2 = 121 158.
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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 242 316 is about 492.256.
Thus, the square root of 242 316 is not an integer, and therefore 242 316 is not a square number.
The square of a number (here 242 316) is the result of the product of this number (242 316) by itself (i.e., 242 316 × 242 316); the square of 242 316 is sometimes called "raising 242 316 to the power 2", or "242 316 squared".
The square of 242 316 is 58 717 043 856 because 242 316 × 242 316 = 242 3162 = 58 717 043 856.
As a consequence, 242 316 is the square root of 58 717 043 856.
The multiples of 242 316 are all integers evenly divisible by 242 316, that is all numbers such that the remainder of the division by 242 316 is zero. There are infinitely many multiples of 242 316. The smallest multiples of 242 316 are: