Math Crossword Puzzle

123456789101112
Across
  1. 2. All whole numbers are natural numbers except _______
  2. 7. how any millions make a crore?
  3. 8. The smallest prime number is
  4. 9. Every factor of a number is an exact of that number.
  5. 10. The whole number had no predecessor.
  6. 12. ______ is the smallest whole number.
Down
  1. 1. All natural numbers are also _______ numbers
  2. 3. The number 8000 + 400 + 20 + 5 is in______ form
  3. 4. Numbers having more than two factors are called ______ numbers.
  4. 5. To express numbers larger than a million, _______ is used in the international system of numeration.
  5. 6. what is the value of 2 in 42,000,000?
  6. 11. _____ is a factor of every number.