Least Common Multiple (LCM) of 43 and 176
The least common multiple (LCM) of 43 and 176 is 7568.
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 43 and 176?
First, calculate the GCD of 43 and 176 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 43 ÷ 176 = 0 remainder 43 |
| 2 | 176 ÷ 43 = 4 remainder 4 |
| 3 | 43 ÷ 4 = 10 remainder 3 |
| 4 | 4 ÷ 3 = 1 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 164 and 138 | 11316 |
| 55 and 141 | 7755 |
| 111 and 168 | 6216 |
| 21 and 20 | 420 |
| 148 and 29 | 4292 |