Least Common Multiple (LCM) of 115 and 64
The least common multiple (LCM) of 115 and 64 is 7360.
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 115 and 64?
First, calculate the GCD of 115 and 64 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 115 ÷ 64 = 1 remainder 51 |
| 2 | 64 ÷ 51 = 1 remainder 13 |
| 3 | 51 ÷ 13 = 3 remainder 12 |
| 4 | 13 ÷ 12 = 1 remainder 1 |
| 5 | 12 ÷ 1 = 12 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 47 and 23 | 1081 |
| 142 and 147 | 20874 |
| 47 and 33 | 1551 |
| 115 and 198 | 22770 |
| 104 and 86 | 4472 |