It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 359 is not a prime number.
For example, 120 359 can be divided by 23: 120 359 / 23 = 5 233.
For 120 359 to be a prime number, it would have been required that 120 359 has only two divisors, i.e., itself and 1.
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120 359 is an odd number, because it is not evenly divisible by 2.
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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 120 359 is about 346.928.
Thus, the square root of 120 359 is not an integer, and therefore 120 359 is not a square number.
The square of a number (here 120 359) is the result of the product of this number (120 359) by itself (i.e., 120 359 × 120 359); the square of 120 359 is sometimes called "raising 120 359 to the power 2", or "120 359 squared".
The square of 120 359 is 14 486 288 881 because 120 359 × 120 359 = 120 3592 = 14 486 288 881.
As a consequence, 120 359 is the square root of 14 486 288 881.
The multiples of 120 359 are all integers evenly divisible by 120 359, that is all numbers such that the remainder of the division by 120 359 is zero. There are infinitely many multiples of 120 359. The smallest multiples of 120 359 are: