Crossword Genius

First (5)

Ross

There are a few possibilities for this:

Which length description are you looking for?:

5

6 7 8 9

<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">first</span>' is the definition.<br/ ><span class="explanation-format__explanation">(similar in meaning)</span><br/ ><br/ >This is the entire clue.<br/ ></span>

(Other definitions for prime that I've seen before include "Prepare for use, say a pump" , "Number with no factor but itself and 1" , "Main; indivisible number" , "Chief or best quality" , "Number such as two, three, five, seven, etc" .)

I've seen this clue in The Guardian.
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