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Understand the method before using any result. The details below describe the purpose and assumptions for this tool.
How the greatest common factor calculator works
The greatest common factor calculator helps you estimate results using the assumptions and values you provide. Review the formula and example before relying on the result.
Formula and assumptions
Greatest common factor (GCF) is the largest positive integer dividing both integers.
Example
GCF of 24 and 36 is 12.
Important information
Results depend on the values, jurisdiction, date and assumptions you enter. Financial products, tax rules and medical recommendations may vary by location and change over time. Verify critical results with reliable sources.