Least Common Multiple (LCM) of 89 and 161
The least common multiple (LCM) of 89 and 161 is 14329.
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 89 and 161?
First, calculate the GCD of 89 and 161 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 89 ÷ 161 = 0 remainder 89 |
| 2 | 161 ÷ 89 = 1 remainder 72 |
| 3 | 89 ÷ 72 = 1 remainder 17 |
| 4 | 72 ÷ 17 = 4 remainder 4 |
| 5 | 17 ÷ 4 = 4 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 14 and 188 | 1316 |
| 195 and 95 | 3705 |
| 87 and 140 | 12180 |
| 96 and 182 | 8736 |
| 78 and 95 | 7410 |