It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 127 702 is not a prime number.
For example, 127 702 can be divided by 2: 127 702 / 2 = 63 851.
For 127 702 to be a prime number, it would have been required that 127 702 has only two divisors, i.e., itself and 1.
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127 702 is an even number, because it is evenly divisible by 2: 127 702 / 2 = 63 851.
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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 127 702 is about 357.354.
Thus, the square root of 127 702 is not an integer, and therefore 127 702 is not a square number.
The square of a number (here 127 702) is the result of the product of this number (127 702) by itself (i.e., 127 702 × 127 702); the square of 127 702 is sometimes called "raising 127 702 to the power 2", or "127 702 squared".
The square of 127 702 is 16 307 800 804 because 127 702 × 127 702 = 127 7022 = 16 307 800 804.
As a consequence, 127 702 is the square root of 16 307 800 804.
The multiples of 127 702 are all integers evenly divisible by 127 702, that is all numbers such that the remainder of the division by 127 702 is zero. There are infinitely many multiples of 127 702. The smallest multiples of 127 702 are: