It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 159 239 is not a prime number.
For example, 159 239 can be divided by 17: 159 239 / 17 = 9 367.
For 159 239 to be a prime number, it would have been required that 159 239 has only two divisors, i.e., itself and 1.
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159 239 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 159 239 is about 399.048.
Thus, the square root of 159 239 is not an integer, and therefore 159 239 is not a square number.
The square of a number (here 159 239) is the result of the product of this number (159 239) by itself (i.e., 159 239 × 159 239); the square of 159 239 is sometimes called "raising 159 239 to the power 2", or "159 239 squared".
The square of 159 239 is 25 357 059 121 because 159 239 × 159 239 = 159 2392 = 25 357 059 121.
As a consequence, 159 239 is the square root of 25 357 059 121.
The multiples of 159 239 are all integers evenly divisible by 159 239, that is all numbers such that the remainder of the division by 159 239 is zero. There are infinitely many multiples of 159 239. The smallest multiples of 159 239 are: