Yes, it is one.
One is the only number that is a factor of every other number.
No prime number only has one factor. Each prime number has itself and 1 as factors. Now, the number 1 of course has only one factor, but it is technically not a prime number.
A number with only one factor pair is........ a prime number for example 11 the only factor pair is one times 11.
The only number with one factor is 1.
The only number with just one factor is 1.
The only number with one factor is 1.
The positive integer with only one factor is 1.
One is.
One.
prime * * * * * No, the only number with just one factor is 1. Each prime has TWO factors: 1 and the prime itself.
One is the only integer with one factor.
By definition, all prime numbers have exactly two factors. There is not a prime number that has only one factor.