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Earn +20 ptsQ: What is the HCF of 21 and 9?
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What is the HCF of 63 and 21?
The Highest Common Factor (HCF) of 63 and 21 is 21. To find the HCF, you can list the factors of both numbers and find the highest number that divides both evenly. In this case, the factors of 63 are 1, 3, 7, 9, 21, and 63, while the factors of 21 are 1, 3, 7, and 21. The highest number that appears in both lists is 21, making it the HCF.
What is the HCF of 21 14 and 35?
The HCF is 7.
What is the HCF of 49 21 and 84?
The GCF is 7.
What is the HCF of 18 and 117?
The GCF is 9.
What are the HCF of 45 9 and 8?
The HCF is 1.
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