It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 236 is not a prime number.
For example, 264 236 can be divided by 2: 264 236 / 2 = 132 118.
For 264 236 to be a prime number, it would have been required that 264 236 has only two divisors, i.e., itself and 1.
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264 236 is an even number, because it is evenly divisible by 2: 264 236 / 2 = 132 118.
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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 264 236 is about 514.039.
Thus, the square root of 264 236 is not an integer, and therefore 264 236 is not a square number.
The square of a number (here 264 236) is the result of the product of this number (264 236) by itself (i.e., 264 236 × 264 236); the square of 264 236 is sometimes called "raising 264 236 to the power 2", or "264 236 squared".
The square of 264 236 is 69 820 663 696 because 264 236 × 264 236 = 264 2362 = 69 820 663 696.
As a consequence, 264 236 is the square root of 69 820 663 696.
The multiples of 264 236 are all integers evenly divisible by 264 236, that is all numbers such that the remainder of the division by 264 236 is zero. There are infinitely many multiples of 264 236. The smallest multiples of 264 236 are: