It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 016 is not a prime number.
For example, 120 016 can be divided by 2: 120 016 / 2 = 60 008.
For 120 016 to be a prime number, it would have been required that 120 016 has only two divisors, i.e., itself and 1.
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120 016 is an even number, because it is evenly divisible by 2: 120 016 / 2 = 60 008.
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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 120 016 is about 346.433.
Thus, the square root of 120 016 is not an integer, and therefore 120 016 is not a square number.
The square of a number (here 120 016) is the result of the product of this number (120 016) by itself (i.e., 120 016 × 120 016); the square of 120 016 is sometimes called "raising 120 016 to the power 2", or "120 016 squared".
The square of 120 016 is 14 403 840 256 because 120 016 × 120 016 = 120 0162 = 14 403 840 256.
As a consequence, 120 016 is the square root of 14 403 840 256.
The multiples of 120 016 are all integers evenly divisible by 120 016, that is all numbers such that the remainder of the division by 120 016 is zero. There are infinitely many multiples of 120 016. The smallest multiples of 120 016 are: