An antonym of factor is whole
Synonym: divisor Antonym: non-factor
I believe the opposite of a factor is a multiple. It could also be a non-factor.
Abiotic factor.
factor, whole
I believe the opposite of a factor is a multiple.
the answer is whole
laziness
It is quite possible that the answer is 'least common factor'.
I think antonyms for risk factor would include: buffer, barrier, or defense.
Most Common Factor, Greatest Common Factor, Highest Common Factor... all the same thing.
The antonym of the word 'synonym' is 'antonym'.
An antonym means "opposite". So an antonym for the word synonym is antonym.