Collocations for factor - noun

important, main, major, relevant, significant
one of the most significant factors

critical, crucial, deciding, decisive, determining, key, vital
This is regarded as the crucial factor in deciding who should get priority. | Money proved to be the deciding factor.

contributing, contributory
Poor organization was certainly a contributory factor to the crisis.

complicating, distorting
A complicating factor is her parents'' refusal to cooperate with the police.

limiting | mitigating
The appeal judges spoke of strong mitigating factors in the case.

aggravating | additional | single
The closure of the mine was the single most important factor in the town''s decline.

common
Look for the common factor in all these cases.

external, extraneous, extrinsic
External factors in the production of disease include pollution of the environment.

internal, intrinsic | causal, causative | risk
Studies have established that smoking is a risk factor for cancer.

contextual, demographic, economic, environmental, genetic, political, psychological, situational, social

consider, take into account
A variety of other factors will be taken into account.

depend on

be involved, operate
the contextual factors which operate to hinder understanding

affect sth, be responsible for sth, contribute to sth, determine sth, influence sth, precipitate sth, predispose sb/sth to sth
environmental factors which predispose children to middle-ear infections

constrain sth, inhibit sth, militate against sth
one of the factors that influenced his decision

interact
looking at how economic and social factors interact

include sth

~ behind
the main factors behind the dollar''s weakness

~ in
a key factor in the decision

a combination/number/range/variety of factors
The outcome will depend on a number of factors.