Least Common Multiple (LCM) of 178 and 143
The least common multiple (LCM) of 178 and 143 is 25454.
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 178 and 143?
First, calculate the GCD of 178 and 143 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 178 ÷ 143 = 1 remainder 35 |
| 2 | 143 ÷ 35 = 4 remainder 3 |
| 3 | 35 ÷ 3 = 11 remainder 2 |
| 4 | 3 ÷ 2 = 1 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 177 and 154 | 27258 |
| 74 and 173 | 12802 |
| 52 and 177 | 9204 |
| 85 and 55 | 935 |
| 62 and 180 | 5580 |