Least Common Multiple (LCM) of 73 and 144
The least common multiple (LCM) of 73 and 144 is 10512.
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 73 and 144?
First, calculate the GCD of 73 and 144 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 73 ÷ 144 = 0 remainder 73 |
| 2 | 144 ÷ 73 = 1 remainder 71 |
| 3 | 73 ÷ 71 = 1 remainder 2 |
| 4 | 71 ÷ 2 = 35 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 91 and 109 | 9919 |
| 181 and 187 | 33847 |
| 90 and 160 | 1440 |
| 172 and 173 | 29756 |
| 146 and 71 | 10366 |