It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 137 716 is not a prime number.
For example, 137 716 can be divided by 2: 137 716 / 2 = 68 858.
For 137 716 to be a prime number, it would have been required that 137 716 has only two divisors, i.e., itself and 1.
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137 716 is an even number, because it is evenly divisible by 2: 137 716 / 2 = 68 858.
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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 137 716 is about 371.101.
Thus, the square root of 137 716 is not an integer, and therefore 137 716 is not a square number.
The square of a number (here 137 716) is the result of the product of this number (137 716) by itself (i.e., 137 716 × 137 716); the square of 137 716 is sometimes called "raising 137 716 to the power 2", or "137 716 squared".
The square of 137 716 is 18 965 696 656 because 137 716 × 137 716 = 137 7162 = 18 965 696 656.
As a consequence, 137 716 is the square root of 18 965 696 656.
The multiples of 137 716 are all integers evenly divisible by 137 716, that is all numbers such that the remainder of the division by 137 716 is zero. There are infinitely many multiples of 137 716. The smallest multiples of 137 716 are: