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GCD calculator
Find the greatest common divisor of integers: the largest positive integer dividing them all.
How to use this calculator
Replace and with your integers, separated by commas.
Tap the math below to edit it and see the result. Once a result is ready, press Tab on a hardware keyboard to accept it. Outside a matrix, Return completes the line; the phone math keyboard has the same Return action.
Try it here
Interactive tools require JavaScript. You can read the guide and example without it.
What to know
The example is an integer GCD, not the greatest common factor of an arbitrary symbolic expression.
Mathlean combines visual mathematical input with computation and canvas tools. Results depend on the expression and available engine support; check important answers independently.