Least Common Multiple (LCM) of 130 and 154
The least common multiple (LCM) of 130 and 154 is 10010.
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 154?
First, calculate the GCD of 130 and 154 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 130 ÷ 154 = 0 remainder 130 |
| 2 | 154 ÷ 130 = 1 remainder 24 |
| 3 | 130 ÷ 24 = 5 remainder 10 |
| 4 | 24 ÷ 10 = 2 remainder 4 |
| 5 | 10 ÷ 4 = 2 remainder 2 |
| 6 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 42 and 101 | 4242 |
| 140 and 190 | 2660 |
| 114 and 189 | 7182 |
| 34 and 187 | 374 |
| 65 and 108 | 7020 |