Least Common Multiple (LCM) of 178 and 43
The least common multiple (LCM) of 178 and 43 is 7654.
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 43?
First, calculate the GCD of 178 and 43 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 178 ÷ 43 = 4 remainder 6 |
| 2 | 43 ÷ 6 = 7 remainder 1 |
| 3 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 154 and 161 | 3542 |
| 186 and 13 | 2418 |
| 189 and 135 | 945 |
| 186 and 150 | 4650 |
| 63 and 79 | 4977 |