Least Common Multiple (LCM) of 139 and 47
The least common multiple (LCM) of 139 and 47 is 6533.
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 47?
First, calculate the GCD of 139 and 47 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 139 ÷ 47 = 2 remainder 45 |
| 2 | 47 ÷ 45 = 1 remainder 2 |
| 3 | 45 ÷ 2 = 22 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 144 and 52 | 1872 |
| 129 and 137 | 17673 |
| 146 and 26 | 1898 |
| 126 and 142 | 8946 |
| 97 and 161 | 15617 |