Least Common Multiple (LCM) of 124 and 54
The least common multiple (LCM) of 124 and 54 is 3348.
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 124 and 54?
First, calculate the GCD of 124 and 54 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 124 ÷ 54 = 2 remainder 16 |
| 2 | 54 ÷ 16 = 3 remainder 6 |
| 3 | 16 ÷ 6 = 2 remainder 4 |
| 4 | 6 ÷ 4 = 1 remainder 2 |
| 5 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 165 and 170 | 5610 |
| 65 and 20 | 260 |
| 149 and 42 | 6258 |
| 73 and 194 | 14162 |
| 89 and 162 | 14418 |