Um, proper factors ?
a proper factor is a factor.
The plural of proper is propers. As in "the propers must be observed".
The plural of the proper noun is Carolinas.
The plural of the proper name "Sirus" is "Siruses" or "Siri."
Plural nouns are not capitalized, unless they are proper nouns.
No. Prime numbers don't have proper factors.
A proper noun is the name of a specific person, place, or thing. A proper plural noun is the plural form of a proper noun. Examples:There are a lot of John Waynes in this world, named after the actor John Wayne.There are 34 cities or towns in the world named Albany; 28 Albanys are in the US.How many should we order? Get six Whoppers and six Cokes.
The plural of the proper noun Mia is Mias.
"Ouchies" is not a proper word. "Ow" has no plural, it is an exclamation.
It depends on the number being factored. 22 is a proper factor of 44. 22 is a factor, but not a proper factor, of 22.
It can be. 18 is a proper factor of 36.
It can be. 25 is a proper factor of 50.