It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 127 429 is not a prime number.
For example, 127 429 can be divided by 61: 127 429 / 61 = 2 089.
For 127 429 to be a prime number, it would have been required that 127 429 has only two divisors, i.e., itself and 1.
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127 429 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 127 429 is about 356.972.
Thus, the square root of 127 429 is not an integer, and therefore 127 429 is not a square number.
The square of a number (here 127 429) is the result of the product of this number (127 429) by itself (i.e., 127 429 × 127 429); the square of 127 429 is sometimes called "raising 127 429 to the power 2", or "127 429 squared".
The square of 127 429 is 16 238 150 041 because 127 429 × 127 429 = 127 4292 = 16 238 150 041.
As a consequence, 127 429 is the square root of 16 238 150 041.
The multiples of 127 429 are all integers evenly divisible by 127 429, that is all numbers such that the remainder of the division by 127 429 is zero. There are infinitely many multiples of 127 429. The smallest multiples of 127 429 are: