Least Common Multiple (LCM) of 139 and 124
The least common multiple (LCM) of 139 and 124 is 17236.
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 139 and 124?
First, calculate the GCD of 139 and 124 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 139 ÷ 124 = 1 remainder 15 |
| 2 | 124 ÷ 15 = 8 remainder 4 |
| 3 | 15 ÷ 4 = 3 remainder 3 |
| 4 | 4 ÷ 3 = 1 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 151 and 39 | 5889 |
| 133 and 81 | 10773 |
| 60 and 175 | 2100 |
| 186 and 20 | 1860 |
| 45 and 90 | 90 |