Least Common Multiple (LCM) of 124 and 55
The least common multiple (LCM) of 124 and 55 is 6820.
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 55?
First, calculate the GCD of 124 and 55 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 124 ÷ 55 = 2 remainder 14 |
| 2 | 55 ÷ 14 = 3 remainder 13 |
| 3 | 14 ÷ 13 = 1 remainder 1 |
| 4 | 13 ÷ 1 = 13 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 72 and 105 | 2520 |
| 30 and 70 | 210 |
| 124 and 11 | 1364 |
| 141 and 163 | 22983 |
| 168 and 37 | 6216 |