Least Common Multiple (LCM) of 108 and 56
The least common multiple (LCM) of 108 and 56 is 1512.
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 108 and 56?
First, calculate the GCD of 108 and 56 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 108 ÷ 56 = 1 remainder 52 |
| 2 | 56 ÷ 52 = 1 remainder 4 |
| 3 | 52 ÷ 4 = 13 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 145 and 36 | 5220 |
| 42 and 104 | 2184 |
| 122 and 164 | 10004 |
| 136 and 134 | 9112 |
| 158 and 74 | 5846 |