Least Common Multiple (LCM) of 165 and 130
The least common multiple (LCM) of 165 and 130 is 4290.
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 165 and 130?
First, calculate the GCD of 165 and 130 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 165 ÷ 130 = 1 remainder 35 |
| 2 | 130 ÷ 35 = 3 remainder 25 |
| 3 | 35 ÷ 25 = 1 remainder 10 |
| 4 | 25 ÷ 10 = 2 remainder 5 |
| 5 | 10 ÷ 5 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 111 and 69 | 2553 |
| 70 and 30 | 210 |
| 86 and 80 | 3440 |
| 55 and 175 | 1925 |
| 166 and 149 | 24734 |