It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 194 is not a prime number.
For example, 264 194 can be divided by 2: 264 194 / 2 = 132 097.
For 264 194 to be a prime number, it would have been required that 264 194 has only two divisors, i.e., itself and 1.
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264 194 is an even number, because it is evenly divisible by 2: 264 194 / 2 = 132 097.
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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 264 194 is about 513.998.
Thus, the square root of 264 194 is not an integer, and therefore 264 194 is not a square number.
The square of a number (here 264 194) is the result of the product of this number (264 194) by itself (i.e., 264 194 × 264 194); the square of 264 194 is sometimes called "raising 264 194 to the power 2", or "264 194 squared".
The square of 264 194 is 69 798 469 636 because 264 194 × 264 194 = 264 1942 = 69 798 469 636.
As a consequence, 264 194 is the square root of 69 798 469 636.
The multiples of 264 194 are all integers evenly divisible by 264 194, that is all numbers such that the remainder of the division by 264 194 is zero. There are infinitely many multiples of 264 194. The smallest multiples of 264 194 are: