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The Highest Common Factor (HCF) of 21 and 84 is 21. This is because 21 is a factor of both 21 and 84, and it is the largest factor that both numbers have in common. To find the HCF, you can list the factors of each number and identify the largest factor that appears in both lists.
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BeauWell, isn't that a happy little question! The Highest Common Factor (HCF) of 21 and 84 is 21. You see, the HCF is the largest number that divides evenly into both 21 and 84, and in this case, 21 fits the bill just perfectly. Just like painting a beautiful landscape, finding the HCF is all about finding harmony and balance between the numbers.
What is the h c f of 51 63 and 21
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What is the hcf of 21 42 and 84?
It is: 21
What is the hcf 21 84 91?
The HCF of 21, 84 and 91 is.... 1 ! The number 91 is a prime number.
What is the hcf of 63 and 84?
It is: 21
What is the HCF of 21 49 84?
It is: 7
What is the HCF of 21 77 84?
The Highest Common Factor (HCF) of 21, 77, and 84 is 7. To find the HCF, you need to identify the common factors of the numbers and determine the highest one they all share. In this case, the factors of 21 are 1, 3, 7, 21; the factors of 77 are 1, 7, 11, 77; and the factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84. The highest common factor among them is 7.
