Least Common Multiple (LCM) of 68 and 180
The least common multiple (LCM) of 68 and 180 is 3060.
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 68 and 180?
First, calculate the GCD of 68 and 180 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 68 ÷ 180 = 0 remainder 68 |
| 2 | 180 ÷ 68 = 2 remainder 44 |
| 3 | 68 ÷ 44 = 1 remainder 24 |
| 4 | 44 ÷ 24 = 1 remainder 20 |
| 5 | 24 ÷ 20 = 1 remainder 4 |
| 6 | 20 ÷ 4 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 33 and 165 | 165 |
| 104 and 66 | 3432 |
| 103 and 180 | 18540 |
| 42 and 77 | 462 |
| 17 and 127 | 2159 |