Least Common Multiple (LCM) of 143 and 57
The least common multiple (LCM) of 143 and 57 is 8151.
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 57?
First, calculate the GCD of 143 and 57 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 143 ÷ 57 = 2 remainder 29 |
| 2 | 57 ÷ 29 = 1 remainder 28 |
| 3 | 29 ÷ 28 = 1 remainder 1 |
| 4 | 28 ÷ 1 = 28 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 153 and 25 | 3825 |
| 154 and 155 | 23870 |
| 88 and 68 | 1496 |
| 193 and 111 | 21423 |
| 102 and 66 | 1122 |