Answers

Solutions by everydaycalculation.com

Answers.everydaycalculation.com » LCM of two numbers

What is the LCM of 840 and 1764?

The LCM of 840 and 1764 is 17640.

Steps to find LCM

  1. Find the prime factorization of 840
    840 = 2 × 2 × 2 × 3 × 5 × 7
  2. Find the prime factorization of 1764
    1764 = 2 × 2 × 3 × 3 × 7 × 7
  3. Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

    LCM = 2 × 2 × 2 × 3 × 3 × 5 × 7 × 7
  4. LCM = 17640

MathStep (Works offline)

Download our mobile app and learn how to find LCM of upto four numbers in your own time:
Android and iPhone/ iPad

Find least common multiple (LCM) of:

LCM Calculator

Enter two numbers separate by comma. To find least common multiple (LCM) of more than two numbers, click here.

© everydaycalculation.com