Examples

, ,
Step 1
To find the common factors of a list of numbers, find the factors of each number.
Step 2
Find the factors of .
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Step 2.1
The factors for are all numbers between and , which divide evenly.
Check numbers between and
Step 2.2
Find the factor pairs of where .
Step 2.3
List the factors for .
Step 3
Find the factors of .
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Step 3.1
The factors for are all numbers between and , which divide evenly.
Check numbers between and
Step 3.2
Find the factor pairs of where .
Step 3.3
List the factors for .
Step 4
Find the factors of .
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Step 4.1
The factors for are all numbers between and , which divide evenly.
Check numbers between and
Step 4.2
Find the factor pairs of where .
Step 4.3
List the factors for .
Step 5
The common factors are the ones that appear in the list of factors of each number.
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