(m) means that a noun is masculine. French nouns have a gender, which is either feminine (like la dame or la lune) or masculine (like l'homme or le soleil).
(M)
Don't forget that fifteen is an odd number.N’oublie pas que quinze est un nombre impair.
A pronoun is a word that stands in for a noun (e.g., elle, lui).
Does Susan have a lot of friends? - There were fifteen at her birthday dinner.Susan a beaucoup d'amis ? - Il y en avait quinze à son dîner d'anniversaire.