It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 557 088 is not a prime number.
For example, 120 557 088 can be divided by 2: 120 557 088 / 2 = 60 278 544.
For 120 557 088 to be a prime number, it would have been required that 120 557 088 has only two divisors, i.e., itself and 1.
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120 557 088 is an even number, because it is evenly divisible by 2: 120 557 088 / 2 = 60 278 544.
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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 120 557 088 is about 10 979.849.
Thus, the square root of 120 557 088 is not an integer, and therefore 120 557 088 is not a square number.
The square of a number (here 120 557 088) is the result of the product of this number (120 557 088) by itself (i.e., 120 557 088 × 120 557 088); the square of 120 557 088 is sometimes called "raising 120 557 088 to the power 2", or "120 557 088 squared".
The square of 120 557 088 is 14 534 011 467 039 744 because 120 557 088 × 120 557 088 = 120 557 0882 = 14 534 011 467 039 744.
As a consequence, 120 557 088 is the square root of 14 534 011 467 039 744.
120 557 088 is a number with 9 digits.
The multiples of 120 557 088 are all integers evenly divisible by 120 557 088, that is all numbers such that the remainder of the division by 120 557 088 is zero. There are infinitely many multiples of 120 557 088. The smallest multiples of 120 557 088 are: