It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 270 118 is not a prime number.
For example, 270 118 can be divided by 2: 270 118 / 2 = 135 059.
For 270 118 to be a prime number, it would have been required that 270 118 has only two divisors, i.e., itself and 1.
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270 118 is an even number, because it is evenly divisible by 2: 270 118 / 2 = 135 059.
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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 270 118 is about 519.729.
Thus, the square root of 270 118 is not an integer, and therefore 270 118 is not a square number.
The square of a number (here 270 118) is the result of the product of this number (270 118) by itself (i.e., 270 118 × 270 118); the square of 270 118 is sometimes called "raising 270 118 to the power 2", or "270 118 squared".
The square of 270 118 is 72 963 733 924 because 270 118 × 270 118 = 270 1182 = 72 963 733 924.
As a consequence, 270 118 is the square root of 72 963 733 924.
The multiples of 270 118 are all integers evenly divisible by 270 118, that is all numbers such that the remainder of the division by 270 118 is zero. There are infinitely many multiples of 270 118. The smallest multiples of 270 118 are: