It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 983 221 is not a prime number.
For example, 264 983 221 can be divided by 3 449: 264 983 221 / 3449 = 76 829.
For 264 983 221 to be a prime number, it would have been required that 264 983 221 has only two divisors, i.e., itself and 1.
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264 983 221 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 264 983 221 is about 16 278.305.
Thus, the square root of 264 983 221 is not an integer, and therefore 264 983 221 is not a square number.
The square of a number (here 264 983 221) is the result of the product of this number (264 983 221) by itself (i.e., 264 983 221 × 264 983 221); the square of 264 983 221 is sometimes called "raising 264 983 221 to the power 2", or "264 983 221 squared".
The square of 264 983 221 is 70 216 107 411 534 840 because 264 983 221 × 264 983 221 = 264 983 2212 = 70 216 107 411 534 840.
As a consequence, 264 983 221 is the square root of 70 216 107 411 534 840.
264 983 221 is a number with 9 digits.
The multiples of 264 983 221 are all integers evenly divisible by 264 983 221, that is all numbers such that the remainder of the division by 264 983 221 is zero. There are infinitely many multiples of 264 983 221. The smallest multiples of 264 983 221 are: