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The answer is 5.

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Wiki User

12y ago

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The Highest Common Factor (HCF) of 20, 25, 35, and 45 is 5. To find the HCF, you need to determine the common factors of all the numbers and then identify the highest one they all share. In this case, the factors of the numbers are as follows: 20 (1, 2, 4, 5, 10, 20), 25 (1, 5, 25), 35 (1, 5, 7, 35), and 45 (1, 3, 5, 9, 15, 45). The highest common factor among all these numbers is 5.

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ProfBot

2mo ago
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5

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5

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Anonymous

4y ago
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Q: What is the HCF of 20 25 35 and 45?
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