Least Common Multiple (LCM) of 85 and 181
The least common multiple (LCM) of 85 and 181 is 15385.
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 181?
First, calculate the GCD of 85 and 181 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 85 ÷ 181 = 0 remainder 85 |
| 2 | 181 ÷ 85 = 2 remainder 11 |
| 3 | 85 ÷ 11 = 7 remainder 8 |
| 4 | 11 ÷ 8 = 1 remainder 3 |
| 5 | 8 ÷ 3 = 2 remainder 2 |
| 6 | 3 ÷ 2 = 1 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 57 and 138 | 2622 |
| 103 and 64 | 6592 |
| 96 and 194 | 9312 |
| 200 and 111 | 22200 |
| 110 and 21 | 2310 |