It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 109 988 042 is not a prime number.
For example, 109 988 042 can be divided by 2: 109 988 042 / 2 = 54 994 021.
For 109 988 042 to be a prime number, it would have been required that 109 988 042 has only two divisors, i.e., itself and 1.
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109 988 042 is an even number, because it is evenly divisible by 2: 109 988 042 / 2 = 54 994 021.
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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 109 988 042 is about 10 487.518.
Thus, the square root of 109 988 042 is not an integer, and therefore 109 988 042 is not a square number.
The square of a number (here 109 988 042) is the result of the product of this number (109 988 042) by itself (i.e., 109 988 042 × 109 988 042); the square of 109 988 042 is sometimes called "raising 109 988 042 to the power 2", or "109 988 042 squared".
The square of 109 988 042 is 12 097 369 382 993 764 because 109 988 042 × 109 988 042 = 109 988 0422 = 12 097 369 382 993 764.
As a consequence, 109 988 042 is the square root of 12 097 369 382 993 764.
109 988 042 is a number with 9 digits.
The multiples of 109 988 042 are all integers evenly divisible by 109 988 042, that is all numbers such that the remainder of the division by 109 988 042 is zero. There are infinitely many multiples of 109 988 042. The smallest multiples of 109 988 042 are: