Least Common Multiple (LCM) of 138 and 200
The least common multiple (LCM) of 138 and 200 is 13800.
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 138 and 200?
First, calculate the GCD of 138 and 200 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 138 ÷ 200 = 0 remainder 138 |
| 2 | 200 ÷ 138 = 1 remainder 62 |
| 3 | 138 ÷ 62 = 2 remainder 14 |
| 4 | 62 ÷ 14 = 4 remainder 6 |
| 5 | 14 ÷ 6 = 2 remainder 2 |
| 6 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 30 and 172 | 2580 |
| 12 and 109 | 1308 |
| 186 and 13 | 2418 |
| 110 and 16 | 880 |
| 149 and 69 | 10281 |