factor

noun:a circumstance, fact, or influence that contributes to a result or outcome
- The weather was a major factor in the decision to postpone the event.
noun:a number that divides another number without leaving a remainder
- 2 and 5 are factors of 10.
noun:a chemical substance, often a protein, that influences a biological process
- Researchers are studying a growth factor that promotes tissue regeneration.
noun:a business agent who sells products on behalf of a manufacturer
- The company hired a local factor to distribute its goods throughout the region.
verb:to include or consider something as a relevant part of a calculation or decision
- When planning the trip, we must factor in the possibility of rain.