Least Common Multiple (LCM) of 144 and 156
The least common multiple (LCM) of 144 and 156 is 1872.
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 156?
First, calculate the GCD of 144 and 156 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 144 ÷ 156 = 0 remainder 144 |
| 2 | 156 ÷ 144 = 1 remainder 12 |
| 3 | 144 ÷ 12 = 12 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 60 and 173 | 10380 |
| 65 and 123 | 7995 |
| 78 and 90 | 1170 |
| 200 and 77 | 15400 |
| 45 and 64 | 2880 |