Because 11 is a Prime number which has only two factors which are itself and one
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The number 2 is 'special' because it is the only prime number that is even.
Yes, the only factors of 11 are 1 and 11.It is prime.
Even though there are different special numbers, there is only one special number that falls under all the categories. The number one is special because it cannot be a prime or a composite number as one only has one factor: itself. So it is classified as a special number. There are, however, other special numbers in separate categories.
It is 11.
It's a Prime number