Least Common Multiple (LCM) of 66 and 197
The least common multiple (LCM) of 66 and 197 is 13002.
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 66 and 197?
First, calculate the GCD of 66 and 197 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 66 ÷ 197 = 0 remainder 66 |
| 2 | 197 ÷ 66 = 2 remainder 65 |
| 3 | 66 ÷ 65 = 1 remainder 1 |
| 4 | 65 ÷ 1 = 65 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 30 and 71 | 2130 |
| 59 and 200 | 11800 |
| 171 and 49 | 8379 |
| 108 and 55 | 5940 |
| 164 and 107 | 17548 |