It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 236 is not a prime number.
For example, 120 236 can be divided by 2: 120 236 / 2 = 60 118.
For 120 236 to be a prime number, it would have been required that 120 236 has only two divisors, i.e., itself and 1.
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120 236 is an even number, because it is evenly divisible by 2: 120 236 / 2 = 60 118.
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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 120 236 is about 346.751.
Thus, the square root of 120 236 is not an integer, and therefore 120 236 is not a square number.
The square of a number (here 120 236) is the result of the product of this number (120 236) by itself (i.e., 120 236 × 120 236); the square of 120 236 is sometimes called "raising 120 236 to the power 2", or "120 236 squared".
The square of 120 236 is 14 456 695 696 because 120 236 × 120 236 = 120 2362 = 14 456 695 696.
As a consequence, 120 236 is the square root of 14 456 695 696.
The multiples of 120 236 are all integers evenly divisible by 120 236, that is all numbers such that the remainder of the division by 120 236 is zero. There are infinitely many multiples of 120 236. The smallest multiples of 120 236 are: