Least Common Multiple (LCM) of 163 and 138
The least common multiple (LCM) of 163 and 138 is 22494.
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 163 and 138?
First, calculate the GCD of 163 and 138 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 163 ÷ 138 = 1 remainder 25 |
| 2 | 138 ÷ 25 = 5 remainder 13 |
| 3 | 25 ÷ 13 = 1 remainder 12 |
| 4 | 13 ÷ 12 = 1 remainder 1 |
| 5 | 12 ÷ 1 = 12 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 40 and 118 | 2360 |
| 180 and 26 | 2340 |
| 116 and 123 | 14268 |
| 70 and 91 | 910 |
| 121 and 185 | 22385 |