It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 133 207 is not a prime number.
For example, 133 207 can be divided by 31: 133 207 / 31 = 4 297.
For 133 207 to be a prime number, it would have been required that 133 207 has only two divisors, i.e., itself and 1.
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133 207 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 133 207 is about 364.975.
Thus, the square root of 133 207 is not an integer, and therefore 133 207 is not a square number.
The square of a number (here 133 207) is the result of the product of this number (133 207) by itself (i.e., 133 207 × 133 207); the square of 133 207 is sometimes called "raising 133 207 to the power 2", or "133 207 squared".
The square of 133 207 is 17 744 104 849 because 133 207 × 133 207 = 133 2072 = 17 744 104 849.
As a consequence, 133 207 is the square root of 17 744 104 849.
The multiples of 133 207 are all integers evenly divisible by 133 207, that is all numbers such that the remainder of the division by 133 207 is zero. There are infinitely many multiples of 133 207. The smallest multiples of 133 207 are: