Least Common Multiple (LCM) of 78 and 183
The least common multiple (LCM) of 78 and 183 is 4758.
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 78 and 183?
First, calculate the GCD of 78 and 183 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 78 ÷ 183 = 0 remainder 78 |
| 2 | 183 ÷ 78 = 2 remainder 27 |
| 3 | 78 ÷ 27 = 2 remainder 24 |
| 4 | 27 ÷ 24 = 1 remainder 3 |
| 5 | 24 ÷ 3 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 81 and 87 | 2349 |
| 138 and 196 | 13524 |
| 67 and 64 | 4288 |
| 105 and 44 | 4620 |
| 172 and 11 | 1892 |