Least Common Multiple (LCM) of 80 and 139
The least common multiple (LCM) of 80 and 139 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 80 and 139?
First, calculate the GCD of 80 and 139 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 80 ÷ 139 = 0 remainder 80 |
| 2 | 139 ÷ 80 = 1 remainder 59 |
| 3 | 80 ÷ 59 = 1 remainder 21 |
| 4 | 59 ÷ 21 = 2 remainder 17 |
| 5 | 21 ÷ 17 = 1 remainder 4 |
| 6 | 17 ÷ 4 = 4 remainder 1 |
| 7 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 189 and 90 | 1890 |
| 199 and 145 | 28855 |
| 137 and 131 | 17947 |
| 113 and 163 | 18419 |
| 127 and 199 | 25273 |