Least Common Multiple (LCM) of 168 and 86
The least common multiple (LCM) of 168 and 86 is 7224.
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 86?
First, calculate the GCD of 168 and 86 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 168 ÷ 86 = 1 remainder 82 |
| 2 | 86 ÷ 82 = 1 remainder 4 |
| 3 | 82 ÷ 4 = 20 remainder 2 |
| 4 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 164 and 153 | 25092 |
| 64 and 10 | 320 |
| 65 and 136 | 8840 |
| 142 and 50 | 3550 |
| 86 and 187 | 16082 |