Least Common Multiple (LCM) of 191 and 12
The least common multiple (LCM) of 191 and 12 is 2292.
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 191 and 12?
First, calculate the GCD of 191 and 12 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 191 ÷ 12 = 15 remainder 11 |
| 2 | 12 ÷ 11 = 1 remainder 1 |
| 3 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 20 and 82 | 820 |
| 45 and 104 | 4680 |
| 137 and 15 | 2055 |
| 71 and 14 | 994 |
| 80 and 65 | 1040 |