Least Common Multiple (LCM) of 168 and 61
The least common multiple (LCM) of 168 and 61 is 10248.
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 168 and 61?
First, calculate the GCD of 168 and 61 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 168 ÷ 61 = 2 remainder 46 |
| 2 | 61 ÷ 46 = 1 remainder 15 |
| 3 | 46 ÷ 15 = 3 remainder 1 |
| 4 | 15 ÷ 1 = 15 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 145 and 81 | 11745 |
| 71 and 26 | 1846 |
| 198 and 149 | 29502 |
| 199 and 163 | 32437 |
| 67 and 143 | 9581 |