Least Common Multiple (LCM) of 155 and 130
The least common multiple (LCM) of 155 and 130 is 4030.
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 155 and 130?
First, calculate the GCD of 155 and 130 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 155 ÷ 130 = 1 remainder 25 |
| 2 | 130 ÷ 25 = 5 remainder 5 |
| 3 | 25 ÷ 5 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 127 and 193 | 24511 |
| 79 and 176 | 13904 |
| 163 and 181 | 29503 |
| 42 and 115 | 4830 |
| 91 and 122 | 11102 |