It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 198 737 is not a prime number.
For example, 198 737 can be divided by 7: 198 737 / 7 = 28 391.
For 198 737 to be a prime number, it would have been required that 198 737 has only two divisors, i.e., itself and 1.
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198 737 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 198 737 is about 445.799.
Thus, the square root of 198 737 is not an integer, and therefore 198 737 is not a square number.
The square of a number (here 198 737) is the result of the product of this number (198 737) by itself (i.e., 198 737 × 198 737); the square of 198 737 is sometimes called "raising 198 737 to the power 2", or "198 737 squared".
The square of 198 737 is 39 496 395 169 because 198 737 × 198 737 = 198 7372 = 39 496 395 169.
As a consequence, 198 737 is the square root of 39 496 395 169.
The multiples of 198 737 are all integers evenly divisible by 198 737, that is all numbers such that the remainder of the division by 198 737 is zero. There are infinitely many multiples of 198 737. The smallest multiples of 198 737 are: