ACTIVITY 1
Find the common factors and the GCF of the following numbers.
Example: 12, 16, and 18
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
Find the common factors and the GCF of the following numbers.
Example: 12, 16, and 18
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
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Answer:
1. 8
2. 3
3. 9
4. 5
5. 60
Step-by-step explanation:
1. 24÷8= 3 and 48÷8= 6
2. 21÷3=7 and 54÷3= 18
3.72÷9=6 and 81÷9=9
4. 55÷5=11 and 100÷5=20
5. 120÷ 60=2 and 180÷60=3
Answer:
1) 24 and 48 - 24
2) 21 and 54 - 3
3) 72 and 81 - 9
4) 55 and 100 - 5
5) 120 and 180 - 60
Step-by-step explanation: