Least Common Multiple (LCM) of 122 and 39
The least common multiple (LCM) of 122 and 39 is 4758.
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 39?
First, calculate the GCD of 122 and 39 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 122 ÷ 39 = 3 remainder 5 |
| 2 | 39 ÷ 5 = 7 remainder 4 |
| 3 | 5 ÷ 4 = 1 remainder 1 |
| 4 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 52 and 68 | 884 |
| 51 and 181 | 9231 |
| 53 and 13 | 689 |
| 178 and 31 | 5518 |
| 118 and 149 | 17582 |