Least Common Multiple (LCM) of 192 and 72
The least common multiple (LCM) of 192 and 72 is 576.
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 192 and 72?
First, calculate the GCD of 192 and 72 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 192 ÷ 72 = 2 remainder 48 |
| 2 | 72 ÷ 48 = 1 remainder 24 |
| 3 | 48 ÷ 24 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 107 and 148 | 15836 |
| 161 and 170 | 27370 |
| 192 and 190 | 18240 |
| 60 and 55 | 660 |
| 124 and 161 | 19964 |