Least Common Multiple (LCM) of 130 and 156
The least common multiple (LCM) of 130 and 156 is 780.
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 156?
First, calculate the GCD of 130 and 156 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 130 ÷ 156 = 0 remainder 130 |
| 2 | 156 ÷ 130 = 1 remainder 26 |
| 3 | 130 ÷ 26 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 105 and 11 | 1155 |
| 98 and 112 | 784 |
| 13 and 19 | 247 |
| 33 and 22 | 66 |
| 155 and 108 | 16740 |