Least Common Multiple (LCM) of 89 and 165
The least common multiple (LCM) of 89 and 165 is 14685.
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 89 and 165?
First, calculate the GCD of 89 and 165 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 89 ÷ 165 = 0 remainder 89 |
| 2 | 165 ÷ 89 = 1 remainder 76 |
| 3 | 89 ÷ 76 = 1 remainder 13 |
| 4 | 76 ÷ 13 = 5 remainder 11 |
| 5 | 13 ÷ 11 = 1 remainder 2 |
| 6 | 11 ÷ 2 = 5 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 168 and 136 | 2856 |
| 77 and 164 | 12628 |
| 138 and 107 | 14766 |
| 75 and 128 | 9600 |
| 195 and 79 | 15405 |