How to pronounce factor in English

"One who transacts business for another; an agent; a substitute; especially a mercantile agent who buys and sells goods and transacts business for others in commission; a commission merchant or consignee. He may be a home factor or a foreign factor. He may buy and sell in his own name and he is intrusted with the possession and control of the goods; and in these respects he differs from a broker."

"A steward or bailiff of an estate."

"One of the elements or quantities which when multiplied together from a product."

"One of the elements circumstances or influences which contribute to produce a result; a constituent."

"To resolve (a quantity) into its factors."