How to use this gcf calculator
Enter the values requested above and select Calculate. Change any input to compare another scenario. The calculation runs locally in your browser and does not require an account.
Formula and method
Example
GCF(24, 36, 60) = 12.
Tips for a useful result
The GCF is especially useful for reducing fractions and factoring expressions.
What this calculator is useful for
Find the greatest common factor (greatest common divisor) of two or more whole numbers. The result is intended for quick estimates, checking arithmetic and comparing scenarios. When a result affects a contract, tax filing, medical decision, building-code requirement or other high-stakes situation, verify the result with the appropriate professional or authoritative source.
Frequently asked questions
What does the GCF Calculator calculate?
Find the greatest common factor (greatest common divisor) of two or more whole numbers.
How does the GCF Calculator work?
Repeatedly apply the Euclidean algorithm to find the largest integer that divides every value without a remainder.
Is the GCF Calculator free to use?
Yes. ERICH Calculators is free to use and does not require an account.