It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 563 121 is not a prime number.
For example, 563 121 can be divided by 3: 563 121 / 3 = 187 707.
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For 563 121 to be a prime number, it would have been required that 563 121 has only two divisors, i.e., itself and 1.
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563 121 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 563 121 is about 750.414.
Thus, the square root of 563 121 is not an integer, and therefore 563 121 is not a square number.
The square of a number (here 563 121) is the result of the product of this number (563 121) by itself (i.e., 563 121 × 563 121); the square of 563 121 is sometimes called "raising 563 121 to the power 2", or "563 121 squared".
The square of 563 121 is 317 105 260 641 because 563 121 × 563 121 = 563 1212 = 317 105 260 641.
As a consequence, 563 121 is the square root of 317 105 260 641.
The multiples of 563 121 are all integers evenly divisible by 563 121, that is all numbers such that the remainder of the division by 563 121 is zero. There are infinitely many multiples of 563 121. The smallest multiples of 563 121 are: