Least Common Multiple (LCM) of 178 and 181
The least common multiple (LCM) of 178 and 181 is 32218.
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 181?
First, calculate the GCD of 178 and 181 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 178 ÷ 181 = 0 remainder 178 |
| 2 | 181 ÷ 178 = 1 remainder 3 |
| 3 | 178 ÷ 3 = 59 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 69 and 195 | 4485 |
| 139 and 147 | 20433 |
| 31 and 182 | 5642 |
| 49 and 156 | 7644 |
| 103 and 143 | 14729 |