It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 107 428 is not a prime number.
For example, 107 428 can be divided by 2: 107 428 / 2 = 53 714.
For 107 428 to be a prime number, it would have been required that 107 428 has only two divisors, i.e., itself and 1.
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107 428 is an even number, because it is evenly divisible by 2: 107 428 / 2 = 53 714.
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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 107 428 is about 327.762.
Thus, the square root of 107 428 is not an integer, and therefore 107 428 is not a square number.
The square of a number (here 107 428) is the result of the product of this number (107 428) by itself (i.e., 107 428 × 107 428); the square of 107 428 is sometimes called "raising 107 428 to the power 2", or "107 428 squared".
The square of 107 428 is 11 540 775 184 because 107 428 × 107 428 = 107 4282 = 11 540 775 184.
As a consequence, 107 428 is the square root of 11 540 775 184.
The multiples of 107 428 are all integers evenly divisible by 107 428, that is all numbers such that the remainder of the division by 107 428 is zero. There are infinitely many multiples of 107 428. The smallest multiples of 107 428 are: