It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 137 098 is not a prime number.
For example, 137 098 can be divided by 2: 137 098 / 2 = 68 549.
For 137 098 to be a prime number, it would have been required that 137 098 has only two divisors, i.e., itself and 1.
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137 098 is an even number, because it is evenly divisible by 2: 137 098 / 2 = 68 549.
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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 137 098 is about 370.267.
Thus, the square root of 137 098 is not an integer, and therefore 137 098 is not a square number.
The square of a number (here 137 098) is the result of the product of this number (137 098) by itself (i.e., 137 098 × 137 098); the square of 137 098 is sometimes called "raising 137 098 to the power 2", or "137 098 squared".
The square of 137 098 is 18 795 861 604 because 137 098 × 137 098 = 137 0982 = 18 795 861 604.
As a consequence, 137 098 is the square root of 18 795 861 604.
The multiples of 137 098 are all integers evenly divisible by 137 098, that is all numbers such that the remainder of the division by 137 098 is zero. There are infinitely many multiples of 137 098. The smallest multiples of 137 098 are: