It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 006 is not a prime number.
For example, 120 006 can be divided by 2: 120 006 / 2 = 60 003.
For 120 006 to be a prime number, it would have been required that 120 006 has only two divisors, i.e., itself and 1.
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120 006 is an even number, because it is evenly divisible by 2: 120 006 / 2 = 60 003.
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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 120 006 is about 346.419.
Thus, the square root of 120 006 is not an integer, and therefore 120 006 is not a square number.
The square of a number (here 120 006) is the result of the product of this number (120 006) by itself (i.e., 120 006 × 120 006); the square of 120 006 is sometimes called "raising 120 006 to the power 2", or "120 006 squared".
The square of 120 006 is 14 401 440 036 because 120 006 × 120 006 = 120 0062 = 14 401 440 036.
As a consequence, 120 006 is the square root of 14 401 440 036.
The multiples of 120 006 are all integers evenly divisible by 120 006, that is all numbers such that the remainder of the division by 120 006 is zero. There are infinitely many multiples of 120 006. The smallest multiples of 120 006 are: