Least Common Multiple (LCM) of 139 and 80
The least common multiple (LCM) of 139 and 80 is 11120.
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 80?
First, calculate the GCD of 139 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 139 ÷ 80 = 1 remainder 59 |
| 2 | 80 ÷ 59 = 1 remainder 21 |
| 3 | 59 ÷ 21 = 2 remainder 17 |
| 4 | 21 ÷ 17 = 1 remainder 4 |
| 5 | 17 ÷ 4 = 4 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 124 and 181 | 22444 |
| 102 and 85 | 510 |
| 124 and 118 | 7316 |
| 189 and 107 | 20223 |
| 128 and 35 | 4480 |