It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 40 113 is not a prime number.
For example, 40 113 can be divided by 3: 40 113 / 3 = 13 371.
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For 40 113 to be a prime number, it would have been required that 40 113 has only two divisors, i.e., itself and 1.
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40 113 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 40 113 is about 200.282.
Thus, the square root of 40 113 is not an integer, and therefore 40 113 is not a square number.
The square of a number (here 40 113) is the result of the product of this number (40 113) by itself (i.e., 40 113 × 40 113); the square of 40 113 is sometimes called "raising 40 113 to the power 2", or "40 113 squared".
The square of 40 113 is 1 609 052 769 because 40 113 × 40 113 = 40 1132 = 1 609 052 769.
As a consequence, 40 113 is the square root of 1 609 052 769.
The multiples of 40 113 are all integers evenly divisible by 40 113, that is all numbers such that the remainder of the division by 40 113 is zero. There are infinitely many multiples of 40 113. The smallest multiples of 40 113 are: