It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 988 120 011 is not a prime number.
For example, 988 120 011 can be divided by 3: 988 120 011 / 3 = 329 373 337.
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For 988 120 011 to be a prime number, it would have been required that 988 120 011 has only two divisors, i.e., itself and 1.
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988 120 011 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 988 120 011 is about 31 434.376.
Thus, the square root of 988 120 011 is not an integer, and therefore 988 120 011 is not a square number.
The square of a number (here 988 120 011) is the result of the product of this number (988 120 011) by itself (i.e., 988 120 011 × 988 120 011); the square of 988 120 011 is sometimes called "raising 988 120 011 to the power 2", or "988 120 011 squared".
The square of 988 120 011 is 976 381 156 138 640 128 because 988 120 011 × 988 120 011 = 988 120 0112 = 976 381 156 138 640 128.
As a consequence, 988 120 011 is the square root of 976 381 156 138 640 128.
988 120 011 is a number with 9 digits.
The multiples of 988 120 011 are all integers evenly divisible by 988 120 011, that is all numbers such that the remainder of the division by 988 120 011 is zero. There are infinitely many multiples of 988 120 011. The smallest multiples of 988 120 011 are: