Least Common Multiple (LCM) of 120 and 14
The least common multiple (LCM) of 120 and 14 is 840.
What is the Least Common Multiple (LCM)?
The LCM of two integers is the smallest positive integer that is divisible by both numbers. It is often used to find common denominators and solve problems involving periodic events.
Formula for LCM
The LCM of two numbers can be calculated using their GCD:
LCM(a, b) = |a × b| ÷ GCD(a, b)
How to Calculate the LCM of 120 and 14?
First, calculate the GCD of 120 and 14 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 120 ÷ 14 = 8 remainder 8 |
| 2 | 14 ÷ 8 = 1 remainder 6 |
| 3 | 8 ÷ 6 = 1 remainder 2 |
| 4 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 146 and 123 | 17958 |
| 107 and 27 | 2889 |
| 90 and 168 | 2520 |
| 150 and 103 | 15450 |
| 116 and 55 | 6380 |