Least Common Multiple (LCM) of 30 and 181
The least common multiple (LCM) of 30 and 181 is 5430.
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 30 and 181?
First, calculate the GCD of 30 and 181 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 30 ÷ 181 = 0 remainder 30 |
| 2 | 181 ÷ 30 = 6 remainder 1 |
| 3 | 30 ÷ 1 = 30 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 158 and 154 | 12166 |
| 165 and 147 | 8085 |
| 153 and 110 | 16830 |
| 195 and 80 | 3120 |
| 163 and 148 | 24124 |