Least Common Multiple (LCM) of 51 and 199
The least common multiple (LCM) of 51 and 199 is 10149.
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 51 and 199?
First, calculate the GCD of 51 and 199 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 51 ÷ 199 = 0 remainder 51 |
| 2 | 199 ÷ 51 = 3 remainder 46 |
| 3 | 51 ÷ 46 = 1 remainder 5 |
| 4 | 46 ÷ 5 = 9 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 197 | 27186 |
| 152 and 195 | 29640 |
| 68 and 112 | 1904 |
| 163 and 61 | 9943 |
| 137 and 20 | 2740 |