It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 11 001 is not a prime number.
For example, 11 001 can be divided by 3: 11 001 / 3 = 3 667.
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For 11 001 to be a prime number, it would have been required that 11 001 has only two divisors, i.e., itself and 1.
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11 001 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 11 001 is about 104.886.
Thus, the square root of 11 001 is not an integer, and therefore 11 001 is not a square number.
The square of a number (here 11 001) is the result of the product of this number (11 001) by itself (i.e., 11 001 × 11 001); the square of 11 001 is sometimes called "raising 11 001 to the power 2", or "11 001 squared".
The square of 11 001 is 121 022 001 because 11 001 × 11 001 = 11 0012 = 121 022 001.
As a consequence, 11 001 is the square root of 121 022 001.
The multiples of 11 001 are all integers evenly divisible by 11 001, that is all numbers such that the remainder of the division by 11 001 is zero. There are infinitely many multiples of 11 001. The smallest multiples of 11 001 are: