Least Common Multiple (LCM) of 43 and 64
The least common multiple (LCM) of 43 and 64 is 2752.
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 43 and 64?
First, calculate the GCD of 43 and 64 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 43 ÷ 64 = 0 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 |
|---|---|
| 125 and 181 | 22625 |
| 152 and 152 | 152 |
| 131 and 149 | 19519 |
| 146 and 186 | 13578 |
| 27 and 185 | 4995 |