Least Common Multiple (LCM) of 200 and 138
The least common multiple (LCM) of 200 and 138 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 200 and 138?
First, calculate the GCD of 200 and 138 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 200 ÷ 138 = 1 remainder 62 |
| 2 | 138 ÷ 62 = 2 remainder 14 |
| 3 | 62 ÷ 14 = 4 remainder 6 |
| 4 | 14 ÷ 6 = 2 remainder 2 |
| 5 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 165 and 179 | 29535 |
| 181 and 11 | 1991 |
| 75 and 151 | 11325 |
| 98 and 111 | 10878 |
| 198 and 21 | 1386 |