Least Common Multiple (LCM) of 130 and 66
The least common multiple (LCM) of 130 and 66 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 130 and 66?
First, calculate the GCD of 130 and 66 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 130 ÷ 66 = 1 remainder 64 |
| 2 | 66 ÷ 64 = 1 remainder 2 |
| 3 | 64 ÷ 2 = 32 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 81 and 156 | 4212 |
| 190 and 19 | 190 |
| 143 and 157 | 22451 |
| 127 and 75 | 9525 |
| 25 and 139 | 3475 |