Fifteen is a composite number, its proper divisors being 1, 3 and 5.
There are fifteen players in a rugby football team.
... 1987 The Guess Who[?] 1989 The Band 1990 Maureen Forrester[?] 1991 Leonard Cohen 1992 Ian and Sylvia[?] 1993 Anne Murray 1994 Rush 1995 Buffy ...