| Answer | Crossword Clue |
|---|---|
| RATE | Number of prime interest? |
| RATE | Number of prime interest |
| key | to single out as of prime importance or interest; be intent on or obsessed with |
| ONE | Divisor of a prime number |
| ONE | Number of even prime numbers |
| ONE | Factor of every prime number |
| TEN | Number of prime ministers on Downing Street? |
| uniquer | being the only one sole his unique concern was his own comfort I can't walk away with a unique copy. Suppose I lost it? Kingsley Amis the unique factorization of a number into prime factors |
