It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 40 043 is not a prime number.
For example, 40 043 can be divided by 23: 40 043 / 23 = 1 741.
For 40 043 to be a prime number, it would have been required that 40 043 has only two divisors, i.e., itself and 1.
Find out more:
40 043 is an odd number, because it is not evenly divisible by 2.
Find out more:
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 40 043 is about 200.107.
Thus, the square root of 40 043 is not an integer, and therefore 40 043 is not a square number.
The square of a number (here 40 043) is the result of the product of this number (40 043) by itself (i.e., 40 043 × 40 043); the square of 40 043 is sometimes called "raising 40 043 to the power 2", or "40 043 squared".
The square of 40 043 is 1 603 441 849 because 40 043 × 40 043 = 40 0432 = 1 603 441 849.
As a consequence, 40 043 is the square root of 1 603 441 849.
The multiples of 40 043 are all integers evenly divisible by 40 043, that is all numbers such that the remainder of the division by 40 043 is zero. There are infinitely many multiples of 40 043. The smallest multiples of 40 043 are: