Least Common Multiple (LCM) of 56 and 191
The least common multiple (LCM) of 56 and 191 is 10696.
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 56 and 191?
First, calculate the GCD of 56 and 191 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 56 ÷ 191 = 0 remainder 56 |
| 2 | 191 ÷ 56 = 3 remainder 23 |
| 3 | 56 ÷ 23 = 2 remainder 10 |
| 4 | 23 ÷ 10 = 2 remainder 3 |
| 5 | 10 ÷ 3 = 3 remainder 1 |
| 6 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 49 and 142 | 6958 |
| 50 and 27 | 1350 |
| 18 and 144 | 144 |
| 179 and 164 | 29356 |
| 197 and 128 | 25216 |