Least Common Multiple (LCM) of 171 and 64
The least common multiple (LCM) of 171 and 64 is 10944.
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 171 and 64?
First, calculate the GCD of 171 and 64 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 171 ÷ 64 = 2 remainder 43 |
| 2 | 64 ÷ 43 = 1 remainder 21 |
| 3 | 43 ÷ 21 = 2 remainder 1 |
| 4 | 21 ÷ 1 = 21 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 200 and 107 | 21400 |
| 76 and 99 | 7524 |
| 141 and 69 | 3243 |
| 89 and 91 | 8099 |
| 87 and 29 | 87 |