It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 197 121 616 is not a prime number.
For example, 197 121 616 can be divided by 2: 197 121 616 / 2 = 98 560 808.
For 197 121 616 to be a prime number, it would have been required that 197 121 616 has only two divisors, i.e., itself and 1.
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197 121 616 is an even number, because it is evenly divisible by 2: 197 121 616 / 2 = 98 560 808.
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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 197 121 616 is about 14 040.001.
Thus, the square root of 197 121 616 is not an integer, and therefore 197 121 616 is not a square number.
The square of a number (here 197 121 616) is the result of the product of this number (197 121 616) by itself (i.e., 197 121 616 × 197 121 616); the square of 197 121 616 is sometimes called "raising 197 121 616 to the power 2", or "197 121 616 squared".
The square of 197 121 616 is 38 856 931 494 451 456 because 197 121 616 × 197 121 616 = 197 121 6162 = 38 856 931 494 451 456.
As a consequence, 197 121 616 is the square root of 38 856 931 494 451 456.
197 121 616 is a number with 9 digits.
The multiples of 197 121 616 are all integers evenly divisible by 197 121 616, that is all numbers such that the remainder of the division by 197 121 616 is zero. There are infinitely many multiples of 197 121 616. The smallest multiples of 197 121 616 are: