Least Common Multiple (LCM) of 195 and 144
The least common multiple (LCM) of 195 and 144 is 9360.
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 195 and 144?
First, calculate the GCD of 195 and 144 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 195 ÷ 144 = 1 remainder 51 |
| 2 | 144 ÷ 51 = 2 remainder 42 |
| 3 | 51 ÷ 42 = 1 remainder 9 |
| 4 | 42 ÷ 9 = 4 remainder 6 |
| 5 | 9 ÷ 6 = 1 remainder 3 |
| 6 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 141 and 121 | 17061 |
| 189 and 89 | 16821 |
| 195 and 198 | 12870 |
| 44 and 137 | 6028 |
| 15 and 124 | 1860 |