It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 197 988 is not a prime number.
For example, 197 988 can be divided by 2: 197 988 / 2 = 98 994.
For 197 988 to be a prime number, it would have been required that 197 988 has only two divisors, i.e., itself and 1.
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197 988 is an even number, because it is evenly divisible by 2: 197 988 / 2 = 98 994.
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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 197 988 is about 444.958.
Thus, the square root of 197 988 is not an integer, and therefore 197 988 is not a square number.
The square of a number (here 197 988) is the result of the product of this number (197 988) by itself (i.e., 197 988 × 197 988); the square of 197 988 is sometimes called "raising 197 988 to the power 2", or "197 988 squared".
The square of 197 988 is 39 199 248 144 because 197 988 × 197 988 = 197 9882 = 39 199 248 144.
As a consequence, 197 988 is the square root of 39 199 248 144.
The multiples of 197 988 are all integers evenly divisible by 197 988, that is all numbers such that the remainder of the division by 197 988 is zero. There are infinitely many multiples of 197 988. The smallest multiples of 197 988 are: