Least Common Multiple (LCM) of 54 and 161
The least common multiple (LCM) of 54 and 161 is 8694.
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 54 and 161?
First, calculate the GCD of 54 and 161 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 54 ÷ 161 = 0 remainder 54 |
| 2 | 161 ÷ 54 = 2 remainder 53 |
| 3 | 54 ÷ 53 = 1 remainder 1 |
| 4 | 53 ÷ 1 = 53 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 154 and 15 | 2310 |
| 122 and 162 | 9882 |
| 141 and 131 | 18471 |
| 18 and 92 | 828 |
| 141 and 70 | 9870 |