Least Common Multiple (LCM) of 163 and 137
The least common multiple (LCM) of 163 and 137 is 22331.
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 137?
First, calculate the GCD of 163 and 137 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 163 ÷ 137 = 1 remainder 26 |
| 2 | 137 ÷ 26 = 5 remainder 7 |
| 3 | 26 ÷ 7 = 3 remainder 5 |
| 4 | 7 ÷ 5 = 1 remainder 2 |
| 5 | 5 ÷ 2 = 2 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 158 and 20 | 1580 |
| 85 and 164 | 13940 |
| 193 and 198 | 38214 |
| 63 and 39 | 819 |
| 86 and 81 | 6966 |