It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 671 is not a prime number.
For example, 264 671 can be divided by 11: 264 671 / 11 = 24 061.
For 264 671 to be a prime number, it would have been required that 264 671 has only two divisors, i.e., itself and 1.
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264 671 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 264 671 is about 514.462.
Thus, the square root of 264 671 is not an integer, and therefore 264 671 is not a square number.
The square of a number (here 264 671) is the result of the product of this number (264 671) by itself (i.e., 264 671 × 264 671); the square of 264 671 is sometimes called "raising 264 671 to the power 2", or "264 671 squared".
The square of 264 671 is 70 050 738 241 because 264 671 × 264 671 = 264 6712 = 70 050 738 241.
As a consequence, 264 671 is the square root of 70 050 738 241.
The multiples of 264 671 are all integers evenly divisible by 264 671, that is all numbers such that the remainder of the division by 264 671 is zero. There are infinitely many multiples of 264 671. The smallest multiples of 264 671 are: