Least Common Multiple (LCM) of 56 and 47
The least common multiple (LCM) of 56 and 47 is 2632.
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 47?
First, calculate the GCD of 56 and 47 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 56 ÷ 47 = 1 remainder 9 |
| 2 | 47 ÷ 9 = 5 remainder 2 |
| 3 | 9 ÷ 2 = 4 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 125 and 75 | 375 |
| 79 and 159 | 12561 |
| 156 and 184 | 7176 |
| 176 and 19 | 3344 |
| 147 and 130 | 19110 |