Least Common Multiple (LCM) of 124 and 18
The least common multiple (LCM) of 124 and 18 is 1116.
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 18?
First, calculate the GCD of 124 and 18 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 124 ÷ 18 = 6 remainder 16 |
| 2 | 18 ÷ 16 = 1 remainder 2 |
| 3 | 16 ÷ 2 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 156 and 10 | 780 |
| 161 and 52 | 8372 |
| 84 and 95 | 7980 |
| 45 and 23 | 1035 |
| 177 and 167 | 29559 |