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 |
|---|---|
| 45 and 130 | 1170 |
| 48 and 145 | 6960 |
| 124 and 13 | 1612 |
| 150 and 55 | 1650 |
| 110 and 170 | 1870 |