Least Common Multiple (LCM) of 51 and 165
The least common multiple (LCM) of 51 and 165 is 2805.
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 51 and 165?
First, calculate the GCD of 51 and 165 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 51 ÷ 165 = 0 remainder 51 |
| 2 | 165 ÷ 51 = 3 remainder 12 |
| 3 | 51 ÷ 12 = 4 remainder 3 |
| 4 | 12 ÷ 3 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 110 and 81 | 8910 |
| 90 and 41 | 3690 |
| 61 and 177 | 10797 |
| 40 and 127 | 5080 |
| 181 and 109 | 19729 |