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. The H.C.F. of given numbers is not than any of the numbers.

2. The L.C.M. of given numbers is not than any of the given numbers.

3. The H.C.F. of two co-prime numbers is .

4. The L.C.M. of two or more co-prime numbers is equal to their .

5. If a number, say x, is a factor of another number, say y, then the H.C.F. of x and y is and their L.C.M. is .

6. The H.C.F. of given numbers is always a of their L.C.M.

7. The product of the H.C.F. and the L.C.M. of two numbers is equal to the product of the given .

8. Two methods to find L.C.M. are method and method

9. The lowest common multiple of two or more numbers is the number which is a of each of the numbers.

10. Largest common factor is