It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 133 208 is not a prime number.
For example, 133 208 can be divided by 2: 133 208 / 2 = 66 604.
For 133 208 to be a prime number, it would have been required that 133 208 has only two divisors, i.e., itself and 1.
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133 208 is an even number, because it is evenly divisible by 2: 133 208 / 2 = 66 604.
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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 133 208 is about 364.977.
Thus, the square root of 133 208 is not an integer, and therefore 133 208 is not a square number.
The square of a number (here 133 208) is the result of the product of this number (133 208) by itself (i.e., 133 208 × 133 208); the square of 133 208 is sometimes called "raising 133 208 to the power 2", or "133 208 squared".
The square of 133 208 is 17 744 371 264 because 133 208 × 133 208 = 133 2082 = 17 744 371 264.
As a consequence, 133 208 is the square root of 17 744 371 264.
The multiples of 133 208 are all integers evenly divisible by 133 208, that is all numbers such that the remainder of the division by 133 208 is zero. There are infinitely many multiples of 133 208. The smallest multiples of 133 208 are: