Least Common Multiple (LCM) of 85 and 143
The least common multiple (LCM) of 85 and 143 is 12155.
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 143?
First, calculate the GCD of 85 and 143 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 85 ÷ 143 = 0 remainder 85 |
| 2 | 143 ÷ 85 = 1 remainder 58 |
| 3 | 85 ÷ 58 = 1 remainder 27 |
| 4 | 58 ÷ 27 = 2 remainder 4 |
| 5 | 27 ÷ 4 = 6 remainder 3 |
| 6 | 4 ÷ 3 = 1 remainder 1 |
| 7 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 61 and 28 | 1708 |
| 86 and 136 | 5848 |
| 181 and 82 | 14842 |
| 183 and 89 | 16287 |
| 13 and 88 | 1144 |