It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 38 018 is not a prime number.
For example, 38 018 can be divided by 2: 38 018 / 2 = 19 009.
For 38 018 to be a prime number, it would have been required that 38 018 has only two divisors, i.e., itself and 1.
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38 018 is an even number, because it is evenly divisible by 2: 38 018 / 2 = 19 009.
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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 38 018 is about 194.982.
Thus, the square root of 38 018 is not an integer, and therefore 38 018 is not a square number.
The square of a number (here 38 018) is the result of the product of this number (38 018) by itself (i.e., 38 018 × 38 018); the square of 38 018 is sometimes called "raising 38 018 to the power 2", or "38 018 squared".
The square of 38 018 is 1 445 368 324 because 38 018 × 38 018 = 38 0182 = 1 445 368 324.
As a consequence, 38 018 is the square root of 1 445 368 324.
The multiples of 38 018 are all integers evenly divisible by 38 018, that is all numbers such that the remainder of the division by 38 018 is zero. There are infinitely many multiples of 38 018. The smallest multiples of 38 018 are: