It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 159 713 is not a prime number.
For example, 159 713 can be divided by 59: 159 713 / 59 = 2 707.
For 159 713 to be a prime number, it would have been required that 159 713 has only two divisors, i.e., itself and 1.
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159 713 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 159 713 is about 399.641.
Thus, the square root of 159 713 is not an integer, and therefore 159 713 is not a square number.
The square of a number (here 159 713) is the result of the product of this number (159 713) by itself (i.e., 159 713 × 159 713); the square of 159 713 is sometimes called "raising 159 713 to the power 2", or "159 713 squared".
The square of 159 713 is 25 508 242 369 because 159 713 × 159 713 = 159 7132 = 25 508 242 369.
As a consequence, 159 713 is the square root of 25 508 242 369.
The multiples of 159 713 are all integers evenly divisible by 159 713, that is all numbers such that the remainder of the division by 159 713 is zero. There are infinitely many multiples of 159 713. The smallest multiples of 159 713 are: