Least Common Multiple (LCM) of 180 and 130
The least common multiple (LCM) of 180 and 130 is 2340.
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 180 and 130?
First, calculate the GCD of 180 and 130 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 180 ÷ 130 = 1 remainder 50 |
| 2 | 130 ÷ 50 = 2 remainder 30 |
| 3 | 50 ÷ 30 = 1 remainder 20 |
| 4 | 30 ÷ 20 = 1 remainder 10 |
| 5 | 20 ÷ 10 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 185 and 122 | 22570 |
| 194 and 94 | 9118 |
| 169 and 36 | 6084 |
| 117 and 76 | 8892 |
| 23 and 98 | 2254 |