Least Common Multiple (LCM) of 168 and 191
The least common multiple (LCM) of 168 and 191 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 168 and 191?
First, calculate the GCD of 168 and 191 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 168 ÷ 191 = 0 remainder 168 |
| 2 | 191 ÷ 168 = 1 remainder 23 |
| 3 | 168 ÷ 23 = 7 remainder 7 |
| 4 | 23 ÷ 7 = 3 remainder 2 |
| 5 | 7 ÷ 2 = 3 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 123 and 137 | 16851 |
| 117 and 130 | 1170 |
| 112 and 76 | 2128 |
| 87 and 153 | 4437 |
| 190 and 113 | 21470 |