Least Common Multiple (LCM) of 197 and 165
The least common multiple (LCM) of 197 and 165 is 32505.
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 165?
First, calculate the GCD of 197 and 165 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 197 ÷ 165 = 1 remainder 32 |
| 2 | 165 ÷ 32 = 5 remainder 5 |
| 3 | 32 ÷ 5 = 6 remainder 2 |
| 4 | 5 ÷ 2 = 2 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 141 and 61 | 8601 |
| 72 and 47 | 3384 |
| 196 and 18 | 1764 |
| 22 and 108 | 1188 |
| 107 and 28 | 2996 |