Least Common Multiple (LCM) of 191 and 197
The least common multiple (LCM) of 191 and 197 is 37627.
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 197?
First, calculate the GCD of 191 and 197 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 191 ÷ 197 = 0 remainder 191 |
| 2 | 197 ÷ 191 = 1 remainder 6 |
| 3 | 191 ÷ 6 = 31 remainder 5 |
| 4 | 6 ÷ 5 = 1 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 134 and 24 | 1608 |
| 130 and 20 | 260 |
| 175 and 71 | 12425 |
| 139 and 57 | 7923 |
| 150 and 155 | 4650 |