Least Common Multiple (LCM) of 74 and 144
The least common multiple (LCM) of 74 and 144 is 5328.
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 74 and 144?
First, calculate the GCD of 74 and 144 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 74 ÷ 144 = 0 remainder 74 |
| 2 | 144 ÷ 74 = 1 remainder 70 |
| 3 | 74 ÷ 70 = 1 remainder 4 |
| 4 | 70 ÷ 4 = 17 remainder 2 |
| 5 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 29 and 65 | 1885 |
| 66 and 152 | 5016 |
| 138 and 171 | 7866 |
| 159 and 150 | 7950 |
| 169 and 189 | 31941 |