GCF Calculator

The GCF is the largest number that divides all given numbers exactly.

What this calculator does

GCF(12, 18) = 6. Both 12 and 18 are divisible by 6.

How it works

Uses the Euclidean algorithm for efficient calculation.

Frequently asked questions

What is the GCF of 24 and 36?

GCF(24, 36) = 12.