It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 137 959 is not a prime number.
For example, 137 959 can be divided by 19: 137 959 / 19 = 7 261.
For 137 959 to be a prime number, it would have been required that 137 959 has only two divisors, i.e., itself and 1.
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137 959 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 137 959 is about 371.428.
Thus, the square root of 137 959 is not an integer, and therefore 137 959 is not a square number.
The square of a number (here 137 959) is the result of the product of this number (137 959) by itself (i.e., 137 959 × 137 959); the square of 137 959 is sometimes called "raising 137 959 to the power 2", or "137 959 squared".
The square of 137 959 is 19 032 685 681 because 137 959 × 137 959 = 137 9592 = 19 032 685 681.
As a consequence, 137 959 is the square root of 19 032 685 681.
The multiples of 137 959 are all integers evenly divisible by 137 959, that is all numbers such that the remainder of the division by 137 959 is zero. There are infinitely many multiples of 137 959. The smallest multiples of 137 959 are: