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Well, isn't that a happy little math question! To find the highest common factor (HCF) of 28, 84, and 91, we can start by listing the factors of each number. The factors of 28 are 1, 2, 4, 7, 14, and 28. The factors of 84 are 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, and 84. The factors of 91 are 1, 7, 13, and 91. The largest number that appears in all three lists is 7, so the HCF of 28, 84, and 91 is 7.
To find the highest common factor (HCF) of 28, 84, and 91, you first need to find the prime factors of each number. The prime factors of 28 are 2 x 2 x 7, the prime factors of 84 are 2 x 2 x 3 x 7, and the prime factors of 91 are 7 x 13. To find the HCF, you need to identify the common prime factors among the numbers, which are 7. Therefore, the HCF of 28, 84, and 91 is 7.
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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 for 84 and 56?
The GCF is 28.
What is the HCF of 49 84 91?
It is: 7
What is the HCF of 24 84 and 91?
It is: 1
What is the HCF of 21 84 91?
It is: 7
What is the hcf of 35 84 91?
7
What is the HCF of 84 and 140?
28
What is the hcf of 284984?
If you mean 28, 49 and 84 then the hcf is 7
What is the HCF of 28 and 49 and 84?
It is: 7
What is the HCF of 28 and 77 and 91?
The HCF of 28 77 and 91 is 7, since 7 goes into all the numbers and all the numbers above it dont.
What is the greatest common factors of 28 84 and 91?
The GCF of 28, 84, and 91 is 7.
What is the HCF of 28 49 84?
The GCF is 7.
