It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 498 is not a prime number.
For example, 120 498 can be divided by 2: 120 498 / 2 = 60 249.
For 120 498 to be a prime number, it would have been required that 120 498 has only two divisors, i.e., itself and 1.
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120 498 is an even number, because it is evenly divisible by 2: 120 498 / 2 = 60 249.
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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 120 498 is about 347.128.
Thus, the square root of 120 498 is not an integer, and therefore 120 498 is not a square number.
The square of a number (here 120 498) is the result of the product of this number (120 498) by itself (i.e., 120 498 × 120 498); the square of 120 498 is sometimes called "raising 120 498 to the power 2", or "120 498 squared".
The square of 120 498 is 14 519 768 004 because 120 498 × 120 498 = 120 4982 = 14 519 768 004.
As a consequence, 120 498 is the square root of 14 519 768 004.
The multiples of 120 498 are all integers evenly divisible by 120 498, that is all numbers such that the remainder of the division by 120 498 is zero. There are infinitely many multiples of 120 498. The smallest multiples of 120 498 are: