It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 876 is not a prime number.
For example, 120 876 can be divided by 2: 120 876 / 2 = 60 438.
For 120 876 to be a prime number, it would have been required that 120 876 has only two divisors, i.e., itself and 1.
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120 876 is an even number, because it is evenly divisible by 2: 120 876 / 2 = 60 438.
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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 120 876 is about 347.672.
Thus, the square root of 120 876 is not an integer, and therefore 120 876 is not a square number.
The square of a number (here 120 876) is the result of the product of this number (120 876) by itself (i.e., 120 876 × 120 876); the square of 120 876 is sometimes called "raising 120 876 to the power 2", or "120 876 squared".
The square of 120 876 is 14 611 007 376 because 120 876 × 120 876 = 120 8762 = 14 611 007 376.
As a consequence, 120 876 is the square root of 14 611 007 376.
The multiples of 120 876 are all integers evenly divisible by 120 876, that is all numbers such that the remainder of the division by 120 876 is zero. There are infinitely many multiples of 120 876. The smallest multiples of 120 876 are: