Least Common Multiple (LCM) of 91 and 68
The least common multiple (LCM) of 91 and 68 is 6188.
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 91 and 68?
First, calculate the GCD of 91 and 68 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 91 ÷ 68 = 1 remainder 23 |
| 2 | 68 ÷ 23 = 2 remainder 22 |
| 3 | 23 ÷ 22 = 1 remainder 1 |
| 4 | 22 ÷ 1 = 22 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 78 and 129 | 3354 |
| 200 and 185 | 7400 |
| 111 and 199 | 22089 |
| 121 and 136 | 16456 |
| 130 and 22 | 1430 |