Least Common Multiple (LCM) of 67 and 143
The least common multiple (LCM) of 67 and 143 is 9581.
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 143?
First, calculate the GCD of 67 and 143 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 67 ÷ 143 = 0 remainder 67 |
| 2 | 143 ÷ 67 = 2 remainder 9 |
| 3 | 67 ÷ 9 = 7 remainder 4 |
| 4 | 9 ÷ 4 = 2 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 173 and 172 | 29756 |
| 197 and 93 | 18321 |
| 192 and 140 | 6720 |
| 77 and 41 | 3157 |
| 60 and 22 | 660 |