Least Common Multiple (LCM) of 163 and 87
The least common multiple (LCM) of 163 and 87 is 14181.
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 163 and 87?
First, calculate the GCD of 163 and 87 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 163 ÷ 87 = 1 remainder 76 |
| 2 | 87 ÷ 76 = 1 remainder 11 |
| 3 | 76 ÷ 11 = 6 remainder 10 |
| 4 | 11 ÷ 10 = 1 remainder 1 |
| 5 | 10 ÷ 1 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 175 and 155 | 5425 |
| 16 and 26 | 208 |
| 57 and 180 | 3420 |
| 113 and 117 | 13221 |
| 193 and 133 | 25669 |