Least Common Multiple (LCM) of 55 and 11
The least common multiple (LCM) of 55 and 11 is 55.
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 55 and 11?
First, calculate the GCD of 55 and 11 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 55 ÷ 11 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 88 and 172 | 3784 |
| 85 and 151 | 12835 |
| 163 and 139 | 22657 |
| 39 and 21 | 273 |
| 79 and 116 | 9164 |