Least Common Multiple (LCM) of 181 and 191
The least common multiple (LCM) of 181 and 191 is 34571.
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 181 and 191?
First, calculate the GCD of 181 and 191 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 191 = 0 remainder 181 |
| 2 | 191 ÷ 181 = 1 remainder 10 |
| 3 | 181 ÷ 10 = 18 remainder 1 |
| 4 | 10 ÷ 1 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 54 | 1242 |
| 76 and 64 | 1216 |
| 173 and 47 | 8131 |
| 20 and 164 | 820 |
| 101 and 43 | 4343 |