Least Common Multiple (LCM) of 139 and 43
The least common multiple (LCM) of 139 and 43 is 5977.
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 43?
First, calculate the GCD of 139 and 43 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 139 ÷ 43 = 3 remainder 10 |
| 2 | 43 ÷ 10 = 4 remainder 3 |
| 3 | 10 ÷ 3 = 3 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 21 and 169 | 3549 |
| 121 and 140 | 16940 |
| 150 and 182 | 13650 |
| 16 and 160 | 160 |
| 97 and 136 | 13192 |