What is the LCM of 840 and 486?
The LCM of 840 and 486 is 68040.
Steps to find LCM
- Find the prime factorization of 840
840 = 2 × 2 × 2 × 3 × 5 × 7 - Find the prime factorization of 486
486 = 2 × 3 × 3 × 3 × 3 × 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 × 3 × 3 × 3 × 5 × 7 - LCM = 68040
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: 1680 & 972 420 & 243 2520 & 1458 280 & 162 4200 & 2430 5880 & 3402 1680 & 486 840 & 972 2520 & 486 840 & 1458 4200 & 486 840 & 2430 5880 & 486 840 & 3402
LCM Calculator
Enter two numbers separate by comma. To find least common multiple (LCM) of more than two numbers, click here.