It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 263 340 074 is not a prime number.
For example, 263 340 074 can be divided by 2: 263 340 074 / 2 = 131 670 037.
For 263 340 074 to be a prime number, it would have been required that 263 340 074 has only two divisors, i.e., itself and 1.
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263 340 074 is an even number, because it is evenly divisible by 2: 263 340 074 / 2 = 131 670 037.
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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 263 340 074 is about 16 227.756.
Thus, the square root of 263 340 074 is not an integer, and therefore 263 340 074 is not a square number.
The square of a number (here 263 340 074) is the result of the product of this number (263 340 074) by itself (i.e., 263 340 074 × 263 340 074); the square of 263 340 074 is sometimes called "raising 263 340 074 to the power 2", or "263 340 074 squared".
The square of 263 340 074 is 69 347 994 574 325 472 because 263 340 074 × 263 340 074 = 263 340 0742 = 69 347 994 574 325 472.
As a consequence, 263 340 074 is the square root of 69 347 994 574 325 472.
263 340 074 is a number with 9 digits.
The multiples of 263 340 074 are all integers evenly divisible by 263 340 074, that is all numbers such that the remainder of the division by 263 340 074 is zero. There are infinitely many multiples of 263 340 074. The smallest multiples of 263 340 074 are: