Q: Which number has only 2 factors?

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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.

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2 is the only positive even number with only 2 positive integer factors. (1 and 2 are the factors. )

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.

The number is ' 2 '. Its factors are 1 and 2.

The only factors of 2 are 1 and 2. The factors of a prime number are 1 and the number itself.

2 is a prime numberthat has only two factors which are itself and one

No it's a prime number. And a prime number is a number that is only divisable by 1 and itself.A prime number is a number which has only 2 factors. These factors are 1 and itself.A composite number is a number which has more than 2 factors.In this case, the only factors of 2 are 1 and 2. Therefore 2 is not a composite number, it is a prime number.

A composite number has more than 2 factors whereas a prime number has only has 2 factors

2

2

Any prime number, a prime number is a number of which the only factors are it and itself.

a prime number