It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 107 642 is not a prime number.
For example, 107 642 can be divided by 2: 107 642 / 2 = 53 821.
For 107 642 to be a prime number, it would have been required that 107 642 has only two divisors, i.e., itself and 1.
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107 642 is an even number, because it is evenly divisible by 2: 107 642 / 2 = 53 821.
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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 107 642 is about 328.088.
Thus, the square root of 107 642 is not an integer, and therefore 107 642 is not a square number.
The square of a number (here 107 642) is the result of the product of this number (107 642) by itself (i.e., 107 642 × 107 642); the square of 107 642 is sometimes called "raising 107 642 to the power 2", or "107 642 squared".
The square of 107 642 is 11 586 800 164 because 107 642 × 107 642 = 107 6422 = 11 586 800 164.
As a consequence, 107 642 is the square root of 11 586 800 164.
The multiples of 107 642 are all integers evenly divisible by 107 642, that is all numbers such that the remainder of the division by 107 642 is zero. There are infinitely many multiples of 107 642. The smallest multiples of 107 642 are: