Least Common Multiple (LCM) of 120 and 111
The least common multiple (LCM) of 120 and 111 is 4440.
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 111?
First, calculate the GCD of 120 and 111 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 120 ÷ 111 = 1 remainder 9 |
| 2 | 111 ÷ 9 = 12 remainder 3 |
| 3 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 195 and 26 | 390 |
| 173 and 137 | 23701 |
| 164 and 69 | 11316 |
| 63 and 146 | 9198 |
| 78 and 140 | 5460 |