Least Common Multiple (LCM) of 124 and 139
The least common multiple (LCM) of 124 and 139 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 124 and 139?
First, calculate the GCD of 124 and 139 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 124 ÷ 139 = 0 remainder 124 |
| 2 | 139 ÷ 124 = 1 remainder 15 |
| 3 | 124 ÷ 15 = 8 remainder 4 |
| 4 | 15 ÷ 4 = 3 remainder 3 |
| 5 | 4 ÷ 3 = 1 remainder 1 |
| 6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 154 and 107 | 16478 |
| 68 and 156 | 2652 |
| 49 and 153 | 7497 |
| 45 and 171 | 855 |
| 13 and 95 | 1235 |