It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 197 121 is not a prime number.
For example, 197 121 can be divided by 3: 197 121 / 3 = 65 707.
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For 197 121 to be a prime number, it would have been required that 197 121 has only two divisors, i.e., itself and 1.
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197 121 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 197 121 is about 443.983.
Thus, the square root of 197 121 is not an integer, and therefore 197 121 is not a square number.
The square of a number (here 197 121) is the result of the product of this number (197 121) by itself (i.e., 197 121 × 197 121); the square of 197 121 is sometimes called "raising 197 121 to the power 2", or "197 121 squared".
The square of 197 121 is 38 856 688 641 because 197 121 × 197 121 = 197 1212 = 38 856 688 641.
As a consequence, 197 121 is the square root of 38 856 688 641.
The multiples of 197 121 are all integers evenly divisible by 197 121, that is all numbers such that the remainder of the division by 197 121 is zero. There are infinitely many multiples of 197 121. The smallest multiples of 197 121 are: