Least Common Multiple (LCM) of 55 and 109
The least common multiple (LCM) of 55 and 109 is 5995.
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 109?
First, calculate the GCD of 55 and 109 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 55 ÷ 109 = 0 remainder 55 |
| 2 | 109 ÷ 55 = 1 remainder 54 |
| 3 | 55 ÷ 54 = 1 remainder 1 |
| 4 | 54 ÷ 1 = 54 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 181 and 90 | 16290 |
| 197 and 13 | 2561 |
| 120 and 17 | 2040 |
| 137 and 137 | 137 |
| 22 and 138 | 1518 |