The part of speech for factor depends on how the word is used. Please see the examples below.
Before making a decision, factor in each detail carefully.
Here, factor is a verb.
One important factor in this case has been ignored.
Here, factor is a noun.
adverb
what part of speech is work
i want to know what part of speech is camping
what part of speech is beneath
what part of speech is eleven
Proper is an adjective, factor is a noun.
The word factor is a noun. The plural is factors.
Two adjectives and a noun.
part of speech
The part of speech for this particular word is a noun.
what part of speech is beneath
what part of speech is work
adverb
the part of speech sashay is a averb
"Did not" or "didn't" is a contraction of the auxiliary verb "did" and the adverb "not," forming a negative past tense construction in English.
The word speech is a noun.
Adjective