Least Common Multiple (LCM) of 130 and 71
The least common multiple (LCM) of 130 and 71 is 9230.
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 130 and 71?
First, calculate the GCD of 130 and 71 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 130 ÷ 71 = 1 remainder 59 |
| 2 | 71 ÷ 59 = 1 remainder 12 |
| 3 | 59 ÷ 12 = 4 remainder 11 |
| 4 | 12 ÷ 11 = 1 remainder 1 |
| 5 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 131 and 151 | 19781 |
| 127 and 15 | 1905 |
| 135 and 17 | 2295 |
| 146 and 13 | 1898 |
| 168 and 22 | 1848 |