Least Common Multiple (LCM) of 64 and 65
The least common multiple (LCM) of 64 and 65 is 4160.
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 65?
First, calculate the GCD of 64 and 65 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 64 ÷ 65 = 0 remainder 64 |
| 2 | 65 ÷ 64 = 1 remainder 1 |
| 3 | 64 ÷ 1 = 64 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 60 and 34 | 1020 |
| 96 and 81 | 2592 |
| 32 and 21 | 672 |
| 162 and 53 | 8586 |
| 192 and 80 | 960 |