Crossword time

1234567
Across
  1. 3. 504 shared between 9
  2. 5. two hundred and forty two multiplied by four
  3. 7. number evenly divisible by two
Down
  1. 1. number that is to be multiplied
  2. 2. number that has exactly two factors, 1 and itself
  3. 4. answer to a division problem
  4. 6. estimate the 5,550 to the nearest thousand