LCM

Find the Lowest Common Multiple of the following sets of numbers:

1. 5 and 7
2. 4 and 6
3. 12 and 36
4. 6 and 8
5. 18 and 20
6. 50 and 9
7. 4 and 10
8. 12, 20, and 80
9. 14, 28, and 56
10. 15, 25, and 100