Least Common Multiple (LCM) of 161 and 178
The least common multiple (LCM) of 161 and 178 is 28658.
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 161 and 178?
First, calculate the GCD of 161 and 178 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 161 ÷ 178 = 0 remainder 161 |
| 2 | 178 ÷ 161 = 1 remainder 17 |
| 3 | 161 ÷ 17 = 9 remainder 8 |
| 4 | 17 ÷ 8 = 2 remainder 1 |
| 5 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 103 and 106 | 10918 |
| 126 and 156 | 3276 |
| 104 and 126 | 6552 |
| 119 and 69 | 8211 |
| 85 and 195 | 3315 |