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Earn +20 ptsQ: What is the hcf for 21 and 49?
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What is the HCF of 21 49 84?
It is: 7
What is the HCF of 21 and 49?
The first step when finding an HCF is to break the numbers down into their prime factors. In this case we get: 21 = 3x7 49 = 7x7 The next step is to identify any common prime factors. In this case both numbers have a 7 as a prime factor. There are no more common prime factors, and thus the HCF of 21 and 49 is 7.
What is the HCF of 42 49 84?
7
What is the hcf of 284984?
If you mean 28, 49 and 84 then the hcf is 7
What is the HCF of 49 and 63?
7
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