Least Common Multiple (LCM) of 89 and 110
The least common multiple (LCM) of 89 and 110 is 9790.
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 110?
First, calculate the GCD of 89 and 110 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 89 ÷ 110 = 0 remainder 89 |
| 2 | 110 ÷ 89 = 1 remainder 21 |
| 3 | 89 ÷ 21 = 4 remainder 5 |
| 4 | 21 ÷ 5 = 4 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 172 and 190 | 16340 |
| 191 and 97 | 18527 |
| 87 and 175 | 15225 |
| 16 and 10 | 80 |
| 120 and 191 | 22920 |