It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 188 is not a prime number.
For example, 120 188 can be divided by 2: 120 188 / 2 = 60 094.
For 120 188 to be a prime number, it would have been required that 120 188 has only two divisors, i.e., itself and 1.
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120 188 is an even number, because it is evenly divisible by 2: 120 188 / 2 = 60 094.
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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 120 188 is about 346.681.
Thus, the square root of 120 188 is not an integer, and therefore 120 188 is not a square number.
The square of a number (here 120 188) is the result of the product of this number (120 188) by itself (i.e., 120 188 × 120 188); the square of 120 188 is sometimes called "raising 120 188 to the power 2", or "120 188 squared".
The square of 120 188 is 14 445 155 344 because 120 188 × 120 188 = 120 1882 = 14 445 155 344.
As a consequence, 120 188 is the square root of 14 445 155 344.
The multiples of 120 188 are all integers evenly divisible by 120 188, that is all numbers such that the remainder of the division by 120 188 is zero. There are infinitely many multiples of 120 188. The smallest multiples of 120 188 are: