It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 040 274 is not a prime number.
For example, 264 040 274 can be divided by 2: 264 040 274 / 2 = 132 020 137.
For 264 040 274 to be a prime number, it would have been required that 264 040 274 has only two divisors, i.e., itself and 1.
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264 040 274 is an even number, because it is evenly divisible by 2: 264 040 274 / 2 = 132 020 137.
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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 264 040 274 is about 16 249.316.
Thus, the square root of 264 040 274 is not an integer, and therefore 264 040 274 is not a square number.
The square of a number (here 264 040 274) is the result of the product of this number (264 040 274) by itself (i.e., 264 040 274 × 264 040 274); the square of 264 040 274 is sometimes called "raising 264 040 274 to the power 2", or "264 040 274 squared".
The square of 264 040 274 is 69 717 266 293 995 072 because 264 040 274 × 264 040 274 = 264 040 2742 = 69 717 266 293 995 072.
As a consequence, 264 040 274 is the square root of 69 717 266 293 995 072.
264 040 274 is a number with 9 digits.
The multiples of 264 040 274 are all integers evenly divisible by 264 040 274, that is all numbers such that the remainder of the division by 264 040 274 is zero. There are infinitely many multiples of 264 040 274. The smallest multiples of 264 040 274 are: