Least Common Multiple (LCM) of 27 and 161
The least common multiple (LCM) of 27 and 161 is 4347.
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 27 and 161?
First, calculate the GCD of 27 and 161 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 27 ÷ 161 = 0 remainder 27 |
| 2 | 161 ÷ 27 = 5 remainder 26 |
| 3 | 27 ÷ 26 = 1 remainder 1 |
| 4 | 26 ÷ 1 = 26 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 175 and 188 | 32900 |
| 139 and 189 | 26271 |
| 29 and 80 | 2320 |
| 93 and 148 | 13764 |
| 176 and 171 | 30096 |