Least Common Multiple (LCM) of 91 and 199
The least common multiple (LCM) of 91 and 199 is 18109.
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 199?
First, calculate the GCD of 91 and 199 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 91 ÷ 199 = 0 remainder 91 |
| 2 | 199 ÷ 91 = 2 remainder 17 |
| 3 | 91 ÷ 17 = 5 remainder 6 |
| 4 | 17 ÷ 6 = 2 remainder 5 |
| 5 | 6 ÷ 5 = 1 remainder 1 |
| 6 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 123 and 72 | 2952 |
| 166 and 155 | 25730 |
| 161 and 180 | 28980 |
| 147 and 140 | 2940 |
| 111 and 127 | 14097 |