coal
coal factor

common
common divisor / common factor

corn
corn factor

correction
correction factor

distortion
distortion factor

dynamic
dynamic factor

extensibility
extensibility factor

factor
factor 9 (sun protection)

flour
flour factor

gassing
gassing factor

GCF
greatest common factor

HCF
highest common factor

indivisible
indivisible factor

leakage
leakage factor

platelet
platelet activating factor

protection
protection factor

reactive
reactive factor

safety
safety factor

SPF
Sun Protection Factor

unit
unit factor

unknown
unknown factor

velocity
velocity factor