It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 13 337 988 is not a prime number.
For example, 13 337 988 can be divided by 2: 13 337 988 / 2 = 6 668 994.
For 13 337 988 to be a prime number, it would have been required that 13 337 988 has only two divisors, i.e., itself and 1.
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13 337 988 is an even number, because it is evenly divisible by 2: 13 337 988 / 2 = 6 668 994.
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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 13 337 988 is about 3 652.121.
Thus, the square root of 13 337 988 is not an integer, and therefore 13 337 988 is not a square number.
The square of a number (here 13 337 988) is the result of the product of this number (13 337 988) by itself (i.e., 13 337 988 × 13 337 988); the square of 13 337 988 is sometimes called "raising 13 337 988 to the power 2", or "13 337 988 squared".
The square of 13 337 988 is 177 901 923 888 144 because 13 337 988 × 13 337 988 = 13 337 9882 = 177 901 923 888 144.
As a consequence, 13 337 988 is the square root of 177 901 923 888 144.
13 337 988 is a number with 8 digits.
The multiples of 13 337 988 are all integers evenly divisible by 13 337 988, that is all numbers such that the remainder of the division by 13 337 988 is zero. There are infinitely many multiples of 13 337 988. The smallest multiples of 13 337 988 are: