Least Common Multiple (LCM) of 64 and 181
The least common multiple (LCM) of 64 and 181 is 11584.
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 181?
First, calculate the GCD of 64 and 181 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 64 ÷ 181 = 0 remainder 64 |
| 2 | 181 ÷ 64 = 2 remainder 53 |
| 3 | 64 ÷ 53 = 1 remainder 11 |
| 4 | 53 ÷ 11 = 4 remainder 9 |
| 5 | 11 ÷ 9 = 1 remainder 2 |
| 6 | 9 ÷ 2 = 4 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 60 and 128 | 1920 |
| 28 and 51 | 1428 |
| 122 and 79 | 9638 |
| 167 and 156 | 26052 |
| 72 and 128 | 1152 |