Least Common Multiple (LCM) of 191 and 168
The least common multiple (LCM) of 191 and 168 is 32088.
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 168?
First, calculate the GCD of 191 and 168 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 191 ÷ 168 = 1 remainder 23 |
| 2 | 168 ÷ 23 = 7 remainder 7 |
| 3 | 23 ÷ 7 = 3 remainder 2 |
| 4 | 7 ÷ 2 = 3 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 140 and 20 | 140 |
| 172 and 22 | 1892 |
| 74 and 106 | 3922 |
| 132 and 88 | 264 |
| 183 and 140 | 25620 |