Least Common Multiple (LCM) of 197 and 65
The least common multiple (LCM) of 197 and 65 is 12805.
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 197 and 65?
First, calculate the GCD of 197 and 65 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 197 ÷ 65 = 3 remainder 2 |
| 2 | 65 ÷ 2 = 32 remainder 1 |
| 3 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 33 and 64 | 2112 |
| 70 and 12 | 420 |
| 181 and 48 | 8688 |
| 65 and 200 | 2600 |
| 198 and 189 | 4158 |