Least Common Multiple (LCM) of 122 and 64
The least common multiple (LCM) of 122 and 64 is 3904.
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 122 and 64?
First, calculate the GCD of 122 and 64 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 122 ÷ 64 = 1 remainder 58 |
| 2 | 64 ÷ 58 = 1 remainder 6 |
| 3 | 58 ÷ 6 = 9 remainder 4 |
| 4 | 6 ÷ 4 = 1 remainder 2 |
| 5 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 158 and 159 | 25122 |
| 13 and 125 | 1625 |
| 64 and 91 | 5824 |
| 121 and 161 | 19481 |
| 28 and 131 | 3668 |