Least Common Multiple (LCM) of 168 and 64
The least common multiple (LCM) of 168 and 64 is 1344.
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 64?
First, calculate the GCD of 168 and 64 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 168 ÷ 64 = 2 remainder 40 |
| 2 | 64 ÷ 40 = 1 remainder 24 |
| 3 | 40 ÷ 24 = 1 remainder 16 |
| 4 | 24 ÷ 16 = 1 remainder 8 |
| 5 | 16 ÷ 8 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 21 and 16 | 336 |
| 187 and 44 | 748 |
| 161 and 143 | 23023 |
| 71 and 187 | 13277 |
| 199 and 44 | 8756 |