Least Common Multiple (LCM) of 189 and 139
The least common multiple (LCM) of 189 and 139 is 26271.
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 189 and 139?
First, calculate the GCD of 189 and 139 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 189 ÷ 139 = 1 remainder 50 |
| 2 | 139 ÷ 50 = 2 remainder 39 |
| 3 | 50 ÷ 39 = 1 remainder 11 |
| 4 | 39 ÷ 11 = 3 remainder 6 |
| 5 | 11 ÷ 6 = 1 remainder 5 |
| 6 | 6 ÷ 5 = 1 remainder 1 |
| 7 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 133 and 180 | 23940 |
| 82 and 129 | 10578 |
| 185 and 90 | 3330 |
| 39 and 166 | 6474 |
| 39 and 59 | 2301 |