Least Common Multiple (LCM) of 56 and 75
The least common multiple (LCM) of 56 and 75 is 4200.
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 75?
First, calculate the GCD of 56 and 75 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 56 ÷ 75 = 0 remainder 56 |
| 2 | 75 ÷ 56 = 1 remainder 19 |
| 3 | 56 ÷ 19 = 2 remainder 18 |
| 4 | 19 ÷ 18 = 1 remainder 1 |
| 5 | 18 ÷ 1 = 18 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 158 and 83 | 13114 |
| 140 and 144 | 5040 |
| 112 and 83 | 9296 |
| 10 and 57 | 570 |
| 147 and 16 | 2352 |