It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 916 091 is not a prime number.
For example, 264 916 091 can be divided by 11: 264 916 091 / 11 = 24 083 281.
For 264 916 091 to be a prime number, it would have been required that 264 916 091 has only two divisors, i.e., itself and 1.
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264 916 091 is an odd number, because it is not evenly divisible by 2.
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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 264 916 091 is about 16 276.243.
Thus, the square root of 264 916 091 is not an integer, and therefore 264 916 091 is not a square number.
The square of a number (here 264 916 091) is the result of the product of this number (264 916 091) by itself (i.e., 264 916 091 × 264 916 091); the square of 264 916 091 is sometimes called "raising 264 916 091 to the power 2", or "264 916 091 squared".
The square of 264 916 091 is 70 180 535 270 720 280 because 264 916 091 × 264 916 091 = 264 916 0912 = 70 180 535 270 720 280.
As a consequence, 264 916 091 is the square root of 70 180 535 270 720 280.
264 916 091 is a number with 9 digits.
The multiples of 264 916 091 are all integers evenly divisible by 264 916 091, that is all numbers such that the remainder of the division by 264 916 091 is zero. There are infinitely many multiples of 264 916 091. The smallest multiples of 264 916 091 are: