It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 133 629 is not a prime number.
For example, 133 629 can be divided by 3: 133 629 / 3 = 44 543.
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For 133 629 to be a prime number, it would have been required that 133 629 has only two divisors, i.e., itself and 1.
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133 629 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 133 629 is about 365.553.
Thus, the square root of 133 629 is not an integer, and therefore 133 629 is not a square number.
The square of a number (here 133 629) is the result of the product of this number (133 629) by itself (i.e., 133 629 × 133 629); the square of 133 629 is sometimes called "raising 133 629 to the power 2", or "133 629 squared".
The square of 133 629 is 17 856 709 641 because 133 629 × 133 629 = 133 6292 = 17 856 709 641.
As a consequence, 133 629 is the square root of 17 856 709 641.
The multiples of 133 629 are all integers evenly divisible by 133 629, that is all numbers such that the remainder of the division by 133 629 is zero. There are infinitely many multiples of 133 629. The smallest multiples of 133 629 are: