It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 137 488 is not a prime number.
For example, 137 488 can be divided by 2: 137 488 / 2 = 68 744.
For 137 488 to be a prime number, it would have been required that 137 488 has only two divisors, i.e., itself and 1.
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137 488 is an even number, because it is evenly divisible by 2: 137 488 / 2 = 68 744.
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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 137 488 is about 370.794.
Thus, the square root of 137 488 is not an integer, and therefore 137 488 is not a square number.
The square of a number (here 137 488) is the result of the product of this number (137 488) by itself (i.e., 137 488 × 137 488); the square of 137 488 is sometimes called "raising 137 488 to the power 2", or "137 488 squared".
The square of 137 488 is 18 902 950 144 because 137 488 × 137 488 = 137 4882 = 18 902 950 144.
As a consequence, 137 488 is the square root of 18 902 950 144.
The multiples of 137 488 are all integers evenly divisible by 137 488, that is all numbers such that the remainder of the division by 137 488 is zero. There are infinitely many multiples of 137 488. The smallest multiples of 137 488 are: