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Home > Pre-Algebra calculators > HCF, GCF, GCD by Listing Method calculator
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Solution
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Solution provided by AtoZmath.com
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HCF, GCF, GCD by Listing Method calculator
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1. Find HCF (GCF, GCD) of 30,40 using Listing factors Method
Solution:
Step-1: Lists the factors of `30,40`
Factors of `30=color{red}{bb{1}},color{red}{bb{2}},3,color{red}{bb{5}},6,color{red}{bb{10}},15,30`
Factors of `40=color{red}{bb{1}},color{red}{bb{2}},4,color{red}{bb{5}},8,color{red}{bb{10}},20,40`
Step-2: Find common factors
The numbers that appears in the lists are `color{red}{bb{1,2,5,10}}`
Step-3: Find greatest common factor
The greatest (largest) number is `10`
`:.` GCF of `30,40` is `10`
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