It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 298 007 988 is not a prime number.
For example, 298 007 988 can be divided by 2: 298 007 988 / 2 = 149 003 994.
For 298 007 988 to be a prime number, it would have been required that 298 007 988 has only two divisors, i.e., itself and 1.
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298 007 988 is an even number, because it is evenly divisible by 2: 298 007 988 / 2 = 149 003 994.
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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 298 007 988 is about 17 262.908.
Thus, the square root of 298 007 988 is not an integer, and therefore 298 007 988 is not a square number.
The square of a number (here 298 007 988) is the result of the product of this number (298 007 988) by itself (i.e., 298 007 988 × 298 007 988); the square of 298 007 988 is sometimes called "raising 298 007 988 to the power 2", or "298 007 988 squared".
The square of 298 007 988 is 88 808 760 911 808 144 because 298 007 988 × 298 007 988 = 298 007 9882 = 88 808 760 911 808 144.
As a consequence, 298 007 988 is the square root of 88 808 760 911 808 144.
298 007 988 is a number with 9 digits.
The multiples of 298 007 988 are all integers evenly divisible by 298 007 988, that is all numbers such that the remainder of the division by 298 007 988 is zero. There are infinitely many multiples of 298 007 988. The smallest multiples of 298 007 988 are: