Least Common Multiple (LCM) of 197 and 63
The least common multiple (LCM) of 197 and 63 is 12411.
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 63?
First, calculate the GCD of 197 and 63 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 197 ÷ 63 = 3 remainder 8 |
| 2 | 63 ÷ 8 = 7 remainder 7 |
| 3 | 8 ÷ 7 = 1 remainder 1 |
| 4 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 192 and 60 | 960 |
| 148 and 125 | 18500 |
| 86 and 106 | 4558 |
| 142 and 144 | 10224 |
| 147 and 137 | 20139 |