Find the HCF 8 , 28

Math
8 , 28
Find the common factors for the numerical part:
8,28
The factors for 8 are 1,2,4,8.
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The factors for 8 are all numbers between 1 and 8, which divide 8 evenly.
Check numbers between 1 and 8
Find the factor pairs of 8 where x⋅y=8.
xy1824
List the factors for 8.
1,2,4,8
1,2,4,8
The factors for 28 are 1,2,4,7,14,28.
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The factors for 28 are all numbers between 1 and 28, which divide 28 evenly.
Check numbers between 1 and 28
Find the factor pairs of 28 where x⋅y=28.
xy12821447
List the factors for 28.
1,2,4,7,14,28
1,2,4,7,14,28
List all the factors for 8,28 to find the common factors.
8: 1,2,4,8
28: 1,2,4,7,14,28
The common factors for 8,28 are 1,2,4.
1,2,4
The GCF (HCF) of the numerical factors 1,2,4 is 4.
4
Find the HCF 8 , 28

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