Least Common Multiple (LCM) of 153 and 189
The least common multiple (LCM) of 153 and 189 is 3213.
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 153 and 189?
First, calculate the GCD of 153 and 189 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 153 ÷ 189 = 0 remainder 153 |
| 2 | 189 ÷ 153 = 1 remainder 36 |
| 3 | 153 ÷ 36 = 4 remainder 9 |
| 4 | 36 ÷ 9 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 158 and 184 | 14536 |
| 92 and 66 | 3036 |
| 61 and 28 | 1708 |
| 162 and 25 | 4050 |
| 184 and 64 | 1472 |