Least Common Multiple (LCM) of 85 and 156
The least common multiple (LCM) of 85 and 156 is 13260.
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 156?
First, calculate the GCD of 85 and 156 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 85 ÷ 156 = 0 remainder 85 |
| 2 | 156 ÷ 85 = 1 remainder 71 |
| 3 | 85 ÷ 71 = 1 remainder 14 |
| 4 | 71 ÷ 14 = 5 remainder 1 |
| 5 | 14 ÷ 1 = 14 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 77 and 199 | 15323 |
| 115 and 11 | 1265 |
| 122 and 158 | 9638 |
| 81 and 144 | 1296 |
| 61 and 105 | 6405 |