Least Common Multiple (LCM) of 11 and 155
The least common multiple (LCM) of 11 and 155 is 1705.
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 11 and 155?
First, calculate the GCD of 11 and 155 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 11 ÷ 155 = 0 remainder 11 |
| 2 | 155 ÷ 11 = 14 remainder 1 |
| 3 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 180 and 25 | 900 |
| 67 and 174 | 11658 |
| 179 and 74 | 13246 |
| 158 and 95 | 15010 |
| 22 and 75 | 1650 |