Least Common Multiple (LCM) of 97 and 198
The least common multiple (LCM) of 97 and 198 is 19206.
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 97 and 198?
First, calculate the GCD of 97 and 198 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 97 ÷ 198 = 0 remainder 97 |
| 2 | 198 ÷ 97 = 2 remainder 4 |
| 3 | 97 ÷ 4 = 24 remainder 1 |
| 4 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 40 and 66 | 1320 |
| 33 and 153 | 1683 |
| 25 and 142 | 3550 |
| 117 and 57 | 2223 |
| 162 and 36 | 324 |