Least Common Multiple (LCM) of 71 and 165
The least common multiple (LCM) of 71 and 165 is 11715.
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 71 and 165?
First, calculate the GCD of 71 and 165 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 71 ÷ 165 = 0 remainder 71 |
| 2 | 165 ÷ 71 = 2 remainder 23 |
| 3 | 71 ÷ 23 = 3 remainder 2 |
| 4 | 23 ÷ 2 = 11 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 111 and 191 | 21201 |
| 102 and 176 | 8976 |
| 123 and 16 | 1968 |
| 198 and 150 | 4950 |
| 192 and 105 | 6720 |