Least Common Multiple (LCM) of 18 and 124
The least common multiple (LCM) of 18 and 124 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 18 and 124?
First, calculate the GCD of 18 and 124 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 18 ÷ 124 = 0 remainder 18 |
| 2 | 124 ÷ 18 = 6 remainder 16 |
| 3 | 18 ÷ 16 = 1 remainder 2 |
| 4 | 16 ÷ 2 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 188 and 171 | 32148 |
| 120 and 127 | 15240 |
| 169 and 191 | 32279 |
| 76 and 118 | 4484 |
| 35 and 168 | 840 |