Find the greatest common divisor and least common multiple of your numbers, and see each number's prime factors and divisors.
Quick Answer
GCD, LCM & Prime Factor Calculator lets you: Find the greatest common divisor and least common multiple of your numbers, and see each number's prime factors and divisors. To start, type whole numbers separated by commas, such as 48, 180, or use the keys.
Type whole numbers separated by commas, such as 48, 180, or use the keys.
The greatest common divisor and least common multiple appear at the top.
For two numbers, Euclid's algorithm is shown step by step.
See whether it is prime, its prime factorization and its list of divisors.