LCM and GCF Calculator




Welcome to the LCM and GCF Calculator. This is a "two for the price of one" calculator. It calculates the LCM and the GCF of the numbers you submit.

Please enter a set of numbers below to get the Least Common Multiple (LCM) and the Greatest Common Factor (GCF) for that set of numbers.

  & 


Need a suggestion or two? Try some of these examples:

What is the LCM and GCF of 12 and 15?

What is the LCM and GCF of 8 and 12?

What is the LCM and GCF of 36 and 45?

What is the LCM and GCF of 12 and 32?

What is the LCM and GCF of 9 and 12?

What is the LCM and GCF of 16 and 24?

What is the LCM and GCF of 37 and 12?


Copyright  |   Privacy Policy  |   Disclaimer  |   Contact