It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 133 908 is not a prime number.
For example, 133 908 can be divided by 2: 133 908 / 2 = 66 954.
For 133 908 to be a prime number, it would have been required that 133 908 has only two divisors, i.e., itself and 1.
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133 908 is an even number, because it is evenly divisible by 2: 133 908 / 2 = 66 954.
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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 133 908 is about 365.934.
Thus, the square root of 133 908 is not an integer, and therefore 133 908 is not a square number.
The square of a number (here 133 908) is the result of the product of this number (133 908) by itself (i.e., 133 908 × 133 908); the square of 133 908 is sometimes called "raising 133 908 to the power 2", or "133 908 squared".
The square of 133 908 is 17 931 352 464 because 133 908 × 133 908 = 133 9082 = 17 931 352 464.
As a consequence, 133 908 is the square root of 17 931 352 464.
The multiples of 133 908 are all integers evenly divisible by 133 908, that is all numbers such that the remainder of the division by 133 908 is zero. There are infinitely many multiples of 133 908. The smallest multiples of 133 908 are: