Least Common Multiple (LCM) of 144 and 53
The least common multiple (LCM) of 144 and 53 is 7632.
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 53?
First, calculate the GCD of 144 and 53 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 144 ÷ 53 = 2 remainder 38 |
| 2 | 53 ÷ 38 = 1 remainder 15 |
| 3 | 38 ÷ 15 = 2 remainder 8 |
| 4 | 15 ÷ 8 = 1 remainder 7 |
| 5 | 8 ÷ 7 = 1 remainder 1 |
| 6 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 155 and 119 | 18445 |
| 20 and 72 | 360 |
| 195 and 71 | 13845 |
| 192 and 54 | 1728 |
| 149 and 149 | 149 |