Least Common Multiple (LCM) of 66 and 143
The least common multiple (LCM) of 66 and 143 is 858.
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 66 and 143?
First, calculate the GCD of 66 and 143 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 66 ÷ 143 = 0 remainder 66 |
| 2 | 143 ÷ 66 = 2 remainder 11 |
| 3 | 66 ÷ 11 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 68 | 4692 |
| 97 and 158 | 15326 |
| 109 and 175 | 19075 |
| 37 and 15 | 555 |
| 101 and 186 | 18786 |