PRIMES

Set to 4 different clues across 5 published puzzles, most often “7 and 11” — The New York Times, Friday, 1 August 2008.

6 letters

Every clue on record, most used first

7 and 112 times
The New York Times — Friday, 1 August 2008
7, 11 and 13once
The New York Times — Sunday, 2 March 2008
Prepares, as a surface for paintingonce
The New York Times — Sunday, 28 November 2004
2, 3, 5, 7, 11, 13, etc.once
The New York Times — Wednesday, 29 November 2000