Least Common Multiple (LCM) of 144 and 161
The least common multiple (LCM) of 144 and 161 is 23184.
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 144 and 161?
First, calculate the GCD of 144 and 161 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 144 ÷ 161 = 0 remainder 144 |
| 2 | 161 ÷ 144 = 1 remainder 17 |
| 3 | 144 ÷ 17 = 8 remainder 8 |
| 4 | 17 ÷ 8 = 2 remainder 1 |
| 5 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 49 and 27 | 1323 |
| 46 and 31 | 1426 |
| 170 and 15 | 510 |
| 120 and 159 | 6360 |
| 75 and 154 | 11550 |