Prime number (5)
'prime number' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for seven that I've seen before include "Number (of stars in the sky?)" , "So many ages of man (AYLI)" , "number of swans aswimming" , "Number of Wonders of the World" , "equivalent of uproar [7D]" .)
'prime number' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for eleven that I've seen before include "Football team; number" , "Not first team (6,6) - See 24" , "Time for morning coffee" , "'Legs' bingo number" , "Number of pipers piping" .)