Least Common Multiple (LCM) of 85 and 130
The least common multiple (LCM) of 85 and 130 is 2210.
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 85 and 130?
First, calculate the GCD of 85 and 130 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 85 ÷ 130 = 0 remainder 85 |
| 2 | 130 ÷ 85 = 1 remainder 45 |
| 3 | 85 ÷ 45 = 1 remainder 40 |
| 4 | 45 ÷ 40 = 1 remainder 5 |
| 5 | 40 ÷ 5 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 44 and 11 | 44 |
| 165 and 155 | 5115 |
| 38 and 11 | 418 |
| 170 and 83 | 14110 |
| 119 and 70 | 1190 |