Least Common Multiple (LCM) of 122 and 200
The least common multiple (LCM) of 122 and 200 is 12200.
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 122 and 200?
First, calculate the GCD of 122 and 200 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 122 ÷ 200 = 0 remainder 122 |
| 2 | 200 ÷ 122 = 1 remainder 78 |
| 3 | 122 ÷ 78 = 1 remainder 44 |
| 4 | 78 ÷ 44 = 1 remainder 34 |
| 5 | 44 ÷ 34 = 1 remainder 10 |
| 6 | 34 ÷ 10 = 3 remainder 4 |
| 7 | 10 ÷ 4 = 2 remainder 2 |
| 8 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 19 and 39 | 741 |
| 138 and 90 | 2070 |
| 23 and 29 | 667 |
| 16 and 52 | 208 |
| 60 and 138 | 1380 |