Least Common Multiple (LCM) of 191 and 124
The least common multiple (LCM) of 191 and 124 is 23684.
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 124?
First, calculate the GCD of 191 and 124 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 191 ÷ 124 = 1 remainder 67 |
| 2 | 124 ÷ 67 = 1 remainder 57 |
| 3 | 67 ÷ 57 = 1 remainder 10 |
| 4 | 57 ÷ 10 = 5 remainder 7 |
| 5 | 10 ÷ 7 = 1 remainder 3 |
| 6 | 7 ÷ 3 = 2 remainder 1 |
| 7 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 45 and 113 | 5085 |
| 119 and 49 | 833 |
| 20 and 28 | 140 |
| 27 and 119 | 3213 |
| 175 and 51 | 8925 |