Least Common Multiple (LCM) of 51 and 144
The least common multiple (LCM) of 51 and 144 is 2448.
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 51 and 144?
First, calculate the GCD of 51 and 144 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 51 ÷ 144 = 0 remainder 51 |
| 2 | 144 ÷ 51 = 2 remainder 42 |
| 3 | 51 ÷ 42 = 1 remainder 9 |
| 4 | 42 ÷ 9 = 4 remainder 6 |
| 5 | 9 ÷ 6 = 1 remainder 3 |
| 6 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 120 and 136 | 2040 |
| 40 and 130 | 520 |
| 138 and 199 | 27462 |
| 132 and 37 | 4884 |
| 153 and 118 | 18054 |