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2 is an even number with only 2 factors.
All prime numbers have only 2 factors. A prime number has 1 and itself as its only factors.
Yes.
It is 11 which is a prime number whose factors are itself and one
Every number has at least two factors . . . itself, and the number ' 1 ' .If those are the only factors it has, and no others, then it's a prime number.