Least Common Multiple (LCM) of 30 and 192
The least common multiple (LCM) of 30 and 192 is 960.
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 30 and 192?
First, calculate the GCD of 30 and 192 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 30 ÷ 192 = 0 remainder 30 |
| 2 | 192 ÷ 30 = 6 remainder 12 |
| 3 | 30 ÷ 12 = 2 remainder 6 |
| 4 | 12 ÷ 6 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 87 and 180 | 5220 |
| 159 and 104 | 16536 |
| 149 and 120 | 17880 |
| 31 and 149 | 4619 |
| 150 and 13 | 1950 |