It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 721 074 is not a prime number.
For example, 120 721 074 can be divided by 2: 120 721 074 / 2 = 60 360 537.
For 120 721 074 to be a prime number, it would have been required that 120 721 074 has only two divisors, i.e., itself and 1.
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120 721 074 is an even number, because it is evenly divisible by 2: 120 721 074 / 2 = 60 360 537.
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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 120 721 074 is about 10 987.314.
Thus, the square root of 120 721 074 is not an integer, and therefore 120 721 074 is not a square number.
The square of a number (here 120 721 074) is the result of the product of this number (120 721 074) by itself (i.e., 120 721 074 × 120 721 074); the square of 120 721 074 is sometimes called "raising 120 721 074 to the power 2", or "120 721 074 squared".
The square of 120 721 074 is 14 573 577 707 713 476 because 120 721 074 × 120 721 074 = 120 721 0742 = 14 573 577 707 713 476.
As a consequence, 120 721 074 is the square root of 14 573 577 707 713 476.
120 721 074 is a number with 9 digits.
The multiples of 120 721 074 are all integers evenly divisible by 120 721 074, that is all numbers such that the remainder of the division by 120 721 074 is zero. There are infinitely many multiples of 120 721 074. The smallest multiples of 120 721 074 are: