Least Common Multiple (LCM) of 178 and 165
The least common multiple (LCM) of 178 and 165 is 29370.
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 165?
First, calculate the GCD of 178 and 165 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 178 ÷ 165 = 1 remainder 13 |
| 2 | 165 ÷ 13 = 12 remainder 9 |
| 3 | 13 ÷ 9 = 1 remainder 4 |
| 4 | 9 ÷ 4 = 2 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 139 and 20 | 2780 |
| 74 and 178 | 6586 |
| 173 and 184 | 31832 |
| 46 and 75 | 3450 |
| 188 and 129 | 24252 |