It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 362 842 is not a prime number.
For example, 120 362 842 can be divided by 2: 120 362 842 / 2 = 60 181 421.
For 120 362 842 to be a prime number, it would have been required that 120 362 842 has only two divisors, i.e., itself and 1.
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120 362 842 is an even number, because it is evenly divisible by 2: 120 362 842 / 2 = 60 181 421.
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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 120 362 842 is about 10 971.000.
Thus, the square root of 120 362 842 is not an integer, and therefore 120 362 842 is not a square number.
The square of a number (here 120 362 842) is the result of the product of this number (120 362 842) by itself (i.e., 120 362 842 × 120 362 842); the square of 120 362 842 is sometimes called "raising 120 362 842 to the power 2", or "120 362 842 squared".
The square of 120 362 842 is 14 487 213 734 316 964 because 120 362 842 × 120 362 842 = 120 362 8422 = 14 487 213 734 316 964.
As a consequence, 120 362 842 is the square root of 14 487 213 734 316 964.
120 362 842 is a number with 9 digits.
The multiples of 120 362 842 are all integers evenly divisible by 120 362 842, that is all numbers such that the remainder of the division by 120 362 842 is zero. There are infinitely many multiples of 120 362 842. The smallest multiples of 120 362 842 are: