Least Common Multiple (LCM) of 102 and 55
The least common multiple (LCM) of 102 and 55 is 5610.
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 102 and 55?
First, calculate the GCD of 102 and 55 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 102 ÷ 55 = 1 remainder 47 |
| 2 | 55 ÷ 47 = 1 remainder 8 |
| 3 | 47 ÷ 8 = 5 remainder 7 |
| 4 | 8 ÷ 7 = 1 remainder 1 |
| 5 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 166 and 35 | 5810 |
| 89 and 181 | 16109 |
| 105 and 138 | 4830 |
| 30 and 160 | 480 |
| 111 and 33 | 1221 |