Least Common Multiple (LCM) of 155 and 118
The least common multiple (LCM) of 155 and 118 is 18290.
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 155 and 118?
First, calculate the GCD of 155 and 118 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 118 = 1 remainder 37 |
| 2 | 118 ÷ 37 = 3 remainder 7 |
| 3 | 37 ÷ 7 = 5 remainder 2 |
| 4 | 7 ÷ 2 = 3 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 109 and 25 | 2725 |
| 130 and 128 | 8320 |
| 54 and 120 | 1080 |
| 16 and 184 | 368 |
| 17 and 95 | 1615 |