Least Common Multiple (LCM) of 39 and 155
The least common multiple (LCM) of 39 and 155 is 6045.
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 39 and 155?
First, calculate the GCD of 39 and 155 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 39 ÷ 155 = 0 remainder 39 |
| 2 | 155 ÷ 39 = 3 remainder 38 |
| 3 | 39 ÷ 38 = 1 remainder 1 |
| 4 | 38 ÷ 1 = 38 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 131 and 125 | 16375 |
| 37 and 65 | 2405 |
| 118 and 182 | 10738 |
| 81 and 111 | 2997 |
| 195 and 158 | 30810 |