Least Common Multiple (LCM) of 143 and 76
The least common multiple (LCM) of 143 and 76 is 10868.
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 143 and 76?
First, calculate the GCD of 143 and 76 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 143 ÷ 76 = 1 remainder 67 |
| 2 | 76 ÷ 67 = 1 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 |
|---|---|
| 144 and 189 | 3024 |
| 175 and 193 | 33775 |
| 185 and 153 | 28305 |
| 53 and 105 | 5565 |
| 147 and 145 | 21315 |