It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 129 is not a prime number.
For example, 120 129 can be divided by 3: 120 129 / 3 = 40 043.
Find out more:
For 120 129 to be a prime number, it would have been required that 120 129 has only two divisors, i.e., itself and 1.
Find out more:
120 129 is an odd number, because it is not evenly divisible by 2.
Find out more:
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 120 129 is about 346.596.
Thus, the square root of 120 129 is not an integer, and therefore 120 129 is not a square number.
The square of a number (here 120 129) is the result of the product of this number (120 129) by itself (i.e., 120 129 × 120 129); the square of 120 129 is sometimes called "raising 120 129 to the power 2", or "120 129 squared".
The square of 120 129 is 14 430 976 641 because 120 129 × 120 129 = 120 1292 = 14 430 976 641.
As a consequence, 120 129 is the square root of 14 430 976 641.
The multiples of 120 129 are all integers evenly divisible by 120 129, that is all numbers such that the remainder of the division by 120 129 is zero. There are infinitely many multiples of 120 129. The smallest multiples of 120 129 are: