Least Common Multiple (LCM) of 111 and 120
The least common multiple (LCM) of 111 and 120 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 111 and 120?
First, calculate the GCD of 111 and 120 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 111 ÷ 120 = 0 remainder 111 |
| 2 | 120 ÷ 111 = 1 remainder 9 |
| 3 | 111 ÷ 9 = 12 remainder 3 |
| 4 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 148 and 172 | 6364 |
| 172 and 143 | 24596 |
| 185 and 132 | 24420 |
| 95 and 166 | 15770 |
| 72 and 38 | 1368 |