Least Common Multiple (LCM) of 118 and 163
The least common multiple (LCM) of 118 and 163 is 19234.
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 118 and 163?
First, calculate the GCD of 118 and 163 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 118 ÷ 163 = 0 remainder 118 |
| 2 | 163 ÷ 118 = 1 remainder 45 |
| 3 | 118 ÷ 45 = 2 remainder 28 |
| 4 | 45 ÷ 28 = 1 remainder 17 |
| 5 | 28 ÷ 17 = 1 remainder 11 |
| 6 | 17 ÷ 11 = 1 remainder 6 |
| 7 | 11 ÷ 6 = 1 remainder 5 |
| 8 | 6 ÷ 5 = 1 remainder 1 |
| 9 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 170 | 11730 |
| 136 and 167 | 22712 |
| 72 and 85 | 6120 |
| 128 and 155 | 19840 |
| 67 and 16 | 1072 |