Factor 2 : (1) Any number which divides into another number exactly (i. e. with no remainder). A Prime Factor is one which has no factor other than itself and 1, e. g. 17. (2) That which affects a result or condition
H. J. Porter (Chairman - Technical Committee), Dictionary of Fire Technology, The Institution of Fire Engineers, The Victory Press (Leicester) Ltd. 1979 UK. (Fr Tech - Brit) {81}