It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 120 609 211 is not a prime number.
For example, 120 609 211 can be divided by 131: 120 609 211 / 131 = 920 681.
For 120 609 211 to be a prime number, it would have been required that 120 609 211 has only two divisors, i.e., itself and 1.
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120 609 211 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 120 609 211 is about 10 982.222.
Thus, the square root of 120 609 211 is not an integer, and therefore 120 609 211 is not a square number.
The square of a number (here 120 609 211) is the result of the product of this number (120 609 211) by itself (i.e., 120 609 211 × 120 609 211); the square of 120 609 211 is sometimes called "raising 120 609 211 to the power 2", or "120 609 211 squared".
The square of 120 609 211 is 14 546 581 778 042 520 because 120 609 211 × 120 609 211 = 120 609 2112 = 14 546 581 778 042 520.
As a consequence, 120 609 211 is the square root of 14 546 581 778 042 520.
120 609 211 is a number with 9 digits.
The multiples of 120 609 211 are all integers evenly divisible by 120 609 211, that is all numbers such that the remainder of the division by 120 609 211 is zero. There are infinitely many multiples of 120 609 211. The smallest multiples of 120 609 211 are: