It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 40 036 is not a prime number.
For example, 40 036 can be divided by 2: 40 036 / 2 = 20 018.
For 40 036 to be a prime number, it would have been required that 40 036 has only two divisors, i.e., itself and 1.
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40 036 is an even number, because it is evenly divisible by 2: 40 036 / 2 = 20 018.
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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 40 036 is about 200.090.
Thus, the square root of 40 036 is not an integer, and therefore 40 036 is not a square number.
The square of a number (here 40 036) is the result of the product of this number (40 036) by itself (i.e., 40 036 × 40 036); the square of 40 036 is sometimes called "raising 40 036 to the power 2", or "40 036 squared".
The square of 40 036 is 1 602 881 296 because 40 036 × 40 036 = 40 0362 = 1 602 881 296.
As a consequence, 40 036 is the square root of 1 602 881 296.
The multiples of 40 036 are all integers evenly divisible by 40 036, that is all numbers such that the remainder of the division by 40 036 is zero. There are infinitely many multiples of 40 036. The smallest multiples of 40 036 are: