Playing With Numbers

Fill in all the gaps, then press "Check" to check your answers. Use the "Hint" button to get a free letter if an answer is giving you trouble. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!

1. If a number is a factor of each of the two given numbers, then it is a factor of their

2. If a number is a factor of each of the two given numbers, then it is a factor of their also

3. If a number is divisible by another number, then it is divisible by each of the of that number

4. If a number is divisible by each of the two or more co-prime numbers, then it is divisible by their

5. A number is divisible by 11, if the difference of the sum of its digits in places and the sum of its digits in places is either or a multiple of 11

6. A number is divisible by 8 if the number formed by its digits in and place is divisible by 8

7. A number is divisible by 6 if it is both divisible by and

8. A number is divisible by 4 if the number formed by its digits in and place is divisible by 4

9. A number is divisible 9 if the of its digits is divisible by 9

10. A number is divisible by 3 if the of its digits is divisible by 3