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To work this out, you need to break each number into its prime factors:
4 = 2x2
8 = 2x2x2
The next step is to spot any common prime factors. In this case both numbers have two 2s as prime factors. Multiply these together and you get:
2x2 = 4
Therefore the HCF of 4 and 8 is 4.
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Continue Learning about Other Math
What is the HCF of 4 and 8?
4
What is the hcf of 4 and 8 and 12?
It is: 4
What is the HCF of 16 and 28?
4
What is the highest common factor of 4 8 and 16?
The HCF is 4
What is the HCF of 8 and 28?
To find the HCF of two numbers, you need to express them in their prime factors: 8 = 2x2x2 28 = 2x2x7 The next step is to identify any common prime factors. In this case both numbers have two 2s as prime factors. Multiply these together and you get: 2x2 = 4 Thus 4 is the hcf of 8 and 28.
Related Questions
What is the HCF of 4 and 8?
4
What is the hcf of 4 and 8 and 12?
It is: 4
What is the HCF 8 and 12?
4
HCF of 28 and 8?
It is: 4
Hcf of 12 and 20?
the hcf of 12 and 20 = 4
What is the HCF of 16 and 28?
4
What is the Hcf of 8 and 10 and 12?
The GCF is 2.
What is the HCF of 8 12 and 28?
4
What is the HCF of 8 and 44?
The GCF is 4.
What is the HCF of 8 and 18?
factors of 8: 1, 2, 4, 8 factors of 18: 1, 2, 3, 6, 9, 18 HCF: 2
Hcf of 2 4 8?
The GCF is 2.
What is the highest common factor of 4 8 and 16?
The HCF is 4
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