Least Common Multiple (LCM) of 64 and 85
The least common multiple (LCM) of 64 and 85 is 5440.
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 64 and 85?
First, calculate the GCD of 64 and 85 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 64 ÷ 85 = 0 remainder 64 |
| 2 | 85 ÷ 64 = 1 remainder 21 |
| 3 | 64 ÷ 21 = 3 remainder 1 |
| 4 | 21 ÷ 1 = 21 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 32 and 116 | 928 |
| 112 and 13 | 1456 |
| 117 and 40 | 4680 |
| 178 and 154 | 13706 |
| 36 and 162 | 324 |