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To find the HCF of 20 and 30, break them down into their prime factors:
20 = 2x2x5
30 = 2x3x5
The next step is to identify any common prime factors. In this case both numbers have a 2 and a 5 as prime factors. Multiply these together and you get:
2x5 = 10
Therefore the HCF of 20 and 30 is 10.
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Related Questions
Hcf of 20 and 30?
HCF is the highest common factor of two or more numbers. HCF of 20 and 30 is 10.
What is the HCF of 30 and 105?
The HCF of 30 and 105 is 15.
Hcf of 20 qnd 200?
HCF is the highest common factor of two or more numbers. HCF of 20 and 200 is 20.
What is the HCF of 90 and 210?
The GCF is 30.
What is the HCF of 30 126?
The GCF is 6.
What is the HCF of 60 and 160?
The GCF is 20.
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The GCF is 1.
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The GCF is 4.
What is the HCF of 12 and 30?
The GCF is 6.
What is the HCF of 30 and 20?
You need at least two numbers to find a GCF.
What is the hcf of 20 and 60?
20
What is the HCF of 40 and 20?
20
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