Least Common Multiple (LCM) of 56 and 108
The least common multiple (LCM) of 56 and 108 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 56 and 108?
First, calculate the GCD of 56 and 108 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 56 ÷ 108 = 0 remainder 56 |
| 2 | 108 ÷ 56 = 1 remainder 52 |
| 3 | 56 ÷ 52 = 1 remainder 4 |
| 4 | 52 ÷ 4 = 13 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 32 and 64 | 64 |
| 39 and 87 | 1131 |
| 189 and 174 | 10962 |
| 174 and 49 | 8526 |
| 100 and 122 | 6100 |