Factors of 12 : 1, 2, 3, 4, 6, 12
Factors of 16 : 1, 2, 4, 8, 16
Factors of 18 : 1, 2, 3, 6, 9, 18
Common factors : 1 and 2
GCF: 2
1) 24 and 48
2) 21 and 54
3) 72 and 81
4) 55 and 100
5) 120 and 180
ACTIVITY 2
Find the LCM of each set of numbers.
1) 6, 12, and 18
2) 8, 16, and 20
3) 12, 20, and 28
4) 30, 40, and 50
5) 3, 12, and 24
ACTIVITY 3
A. Directions: Copy the table below on your notebook. Then, using the
continuous division, fill in the correct information in each blank.