Least Common Multiple (LCM) of 49 and 165
The least common multiple (LCM) of 49 and 165 is 8085.
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 49 and 165?
First, calculate the GCD of 49 and 165 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 49 ÷ 165 = 0 remainder 49 |
| 2 | 165 ÷ 49 = 3 remainder 18 |
| 3 | 49 ÷ 18 = 2 remainder 13 |
| 4 | 18 ÷ 13 = 1 remainder 5 |
| 5 | 13 ÷ 5 = 2 remainder 3 |
| 6 | 5 ÷ 3 = 1 remainder 2 |
| 7 | 3 ÷ 2 = 1 remainder 1 |
| 8 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 85 and 115 | 1955 |
| 90 and 91 | 8190 |
| 61 and 187 | 11407 |
| 171 and 154 | 26334 |
| 33 and 127 | 4191 |