It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 197 197 is not a prime number.
For example, 120 197 197 can be divided by 83: 120 197 197 / 83 = 1 448 159.
For 120 197 197 to be a prime number, it would have been required that 120 197 197 has only two divisors, i.e., itself and 1.
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120 197 197 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 120 197 197 is about 10 963.448.
Thus, the square root of 120 197 197 is not an integer, and therefore 120 197 197 is not a square number.
The square of a number (here 120 197 197) is the result of the product of this number (120 197 197) by itself (i.e., 120 197 197 × 120 197 197); the square of 120 197 197 is sometimes called "raising 120 197 197 to the power 2", or "120 197 197 squared".
The square of 120 197 197 is 14 447 366 166 656 808 because 120 197 197 × 120 197 197 = 120 197 1972 = 14 447 366 166 656 808.
As a consequence, 120 197 197 is the square root of 14 447 366 166 656 808.
120 197 197 is a number with 9 digits.
The multiples of 120 197 197 are all integers evenly divisible by 120 197 197, that is all numbers such that the remainder of the division by 120 197 197 is zero. There are infinitely many multiples of 120 197 197. The smallest multiples of 120 197 197 are: