Main exercises across border (5)
THE ANSWER
1P2R3I4M5E
PRIME is the 5-letter answer to “Main exercises across border (5)”, last seen in The Sun Cryptic Crossword on 13 January 2026.
Where this clue appeared
The Sun Cryptic Crossword13 JAN 2026Related clues
One other clue in the database also answers PRIME.
Number only divisible by itself and one (5)PRIME