Least Common Multiple (LCM) of 67 and 89
The least common multiple (LCM) of 67 and 89 is 5963.
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 67 and 89?
First, calculate the GCD of 67 and 89 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 67 ÷ 89 = 0 remainder 67 |
| 2 | 89 ÷ 67 = 1 remainder 22 |
| 3 | 67 ÷ 22 = 3 remainder 1 |
| 4 | 22 ÷ 1 = 22 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 143 and 153 | 21879 |
| 40 and 186 | 3720 |
| 189 and 78 | 4914 |
| 126 and 198 | 1386 |
| 162 and 173 | 28026 |