Least Common Multiple (LCM) of 122 and 86
The least common multiple (LCM) of 122 and 86 is 5246.
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 86?
First, calculate the GCD of 122 and 86 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 122 ÷ 86 = 1 remainder 36 |
| 2 | 86 ÷ 36 = 2 remainder 14 |
| 3 | 36 ÷ 14 = 2 remainder 8 |
| 4 | 14 ÷ 8 = 1 remainder 6 |
| 5 | 8 ÷ 6 = 1 remainder 2 |
| 6 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 19 and 128 | 2432 |
| 81 and 49 | 3969 |
| 174 and 73 | 12702 |
| 139 and 28 | 3892 |
| 117 and 67 | 7839 |