Least Common Multiple (LCM) of 23 and 144
The least common multiple (LCM) of 23 and 144 is 3312.
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 23 and 144?
First, calculate the GCD of 23 and 144 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 23 ÷ 144 = 0 remainder 23 |
| 2 | 144 ÷ 23 = 6 remainder 6 |
| 3 | 23 ÷ 6 = 3 remainder 5 |
| 4 | 6 ÷ 5 = 1 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 198 and 141 | 9306 |
| 54 and 77 | 4158 |
| 37 and 121 | 4477 |
| 103 and 158 | 16274 |
| 189 and 143 | 27027 |