Solutions by everydaycalculation.com

The LCM of 3780 and 3920 is 105840.

- Find the prime factorization of 3780

3780 = 2 × 2 × 3 × 3 × 3 × 5 × 7 - Find the prime factorization of 3920

3920 = 2 × 2 × 2 × 2 × 5 × 7 × 7 - Multiply each factor the greater number of times it occurs in steps i) or ii) above to find the LCM:

LCM = 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 7 - LCM =
**105840**

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: 7560 & 7840 1890 & 1960 756 & 784 540 & 560 7560 & 3920 3780 & 7840

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

© everydaycalculation.com