Least Common Multiple (LCM) of 56 and 171
The least common multiple (LCM) of 56 and 171 is 9576.
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 171?
First, calculate the GCD of 56 and 171 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 56 ÷ 171 = 0 remainder 56 |
| 2 | 171 ÷ 56 = 3 remainder 3 |
| 3 | 56 ÷ 3 = 18 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 119 and 159 | 18921 |
| 190 and 79 | 15010 |
| 121 and 149 | 18029 |
| 122 and 44 | 2684 |
| 160 and 116 | 4640 |