Find the Greatest Common Factor and Least Common Factor of the following numbers using any method.
1. 14 42
2. 24 36
3. 15 60
4. 18 27
5. 20 40
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Find the Greatest Common Factor and Least Common Factor of the following numbers using any method.
1. 14 42
2. 24 36
3. 15 60
4. 18 27
5. 20 40
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Answer:
1. 14
2. 12
3. 15
4. 9
5. 20
Step-by-step explanation:
1. 14 - 1, 2, 7, 14
42 - 1, 2, 3, 6, 7, 14, 21, 42
2. 24 - 1, 2, 3, 4, 6, 8, 12, 24
36 - 1, 2, 3, 4, 6, 9, 12, 18, 36
3. 15 - 1, 3, 5, 15
60 - 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
4. 18 - 1, 2, 3, 6, 9, 18
27 - 1, 3, 9, 27
5. 20 - 1, 2, 4, 5, 10, 20
40 - 1, 2, 4, 5, 8, 10, 20, 40