It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 131 742 is not a prime number.
For example, 131 742 can be divided by 2: 131 742 / 2 = 65 871.
For 131 742 to be a prime number, it would have been required that 131 742 has only two divisors, i.e., itself and 1.
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131 742 is an even number, because it is evenly divisible by 2: 131 742 / 2 = 65 871.
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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 131 742 is about 362.963.
Thus, the square root of 131 742 is not an integer, and therefore 131 742 is not a square number.
The square of a number (here 131 742) is the result of the product of this number (131 742) by itself (i.e., 131 742 × 131 742); the square of 131 742 is sometimes called "raising 131 742 to the power 2", or "131 742 squared".
The square of 131 742 is 17 355 954 564 because 131 742 × 131 742 = 131 7422 = 17 355 954 564.
As a consequence, 131 742 is the square root of 17 355 954 564.
The multiples of 131 742 are all integers evenly divisible by 131 742, that is all numbers such that the remainder of the division by 131 742 is zero. There are infinitely many multiples of 131 742. The smallest multiples of 131 742 are: