Least Common Multiple (LCM) of 181 and 89
The least common multiple (LCM) of 181 and 89 is 16109.
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 181 and 89?
First, calculate the GCD of 181 and 89 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 89 = 2 remainder 3 |
| 2 | 89 ÷ 3 = 29 remainder 2 |
| 3 | 3 ÷ 2 = 1 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 161 and 141 | 22701 |
| 170 and 159 | 27030 |
| 121 and 93 | 11253 |
| 72 and 21 | 504 |
| 143 and 47 | 6721 |