Least Common Multiple (LCM) of 163 and 140
The least common multiple (LCM) of 163 and 140 is 22820.
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 140?
First, calculate the GCD of 163 and 140 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 163 ÷ 140 = 1 remainder 23 |
| 2 | 140 ÷ 23 = 6 remainder 2 |
| 3 | 23 ÷ 2 = 11 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 23 and 191 | 4393 |
| 120 and 55 | 1320 |
| 116 and 77 | 8932 |
| 78 and 44 | 1716 |
| 149 and 170 | 25330 |