yes it is a factor for every number.
One is a factor of every number.
One is the only number that is a factor of every other number.
One.
because 1 x (every number) = (every number) and that makes 1 a factor of (every number)
One.
The greatest factor of any number is the number itself. There is no integer that is the greatest factor of every number. One is a factor of every number. One is the GCF of co-prime numbers.
One is a factor of every number. One is only a multiple of itself.
1 is a factor of every number.1 is a factor of every number.
The number one.
Yes.
One is.
It's part of the identity property. Pick a number. Multiply it by one. The answer will be the number. That means that every number has the factor pair of itself and 1, so every number has one as a common factor.