Least Common Multiple (LCM) of 18 and 118
The least common multiple (LCM) of 18 and 118 is 1062.
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 118?
First, calculate the GCD of 18 and 118 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 18 ÷ 118 = 0 remainder 18 |
| 2 | 118 ÷ 18 = 6 remainder 10 |
| 3 | 18 ÷ 10 = 1 remainder 8 |
| 4 | 10 ÷ 8 = 1 remainder 2 |
| 5 | 8 ÷ 2 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 59 and 54 | 3186 |
| 141 and 170 | 23970 |
| 34 and 82 | 1394 |
| 35 and 85 | 595 |
| 195 and 82 | 15990 |