Least Common Multiple (LCM) of 123 and 147
The least common multiple (LCM) of 123 and 147 is 6027.
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 123 and 147?
First, calculate the GCD of 123 and 147 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 123 ÷ 147 = 0 remainder 123 |
| 2 | 147 ÷ 123 = 1 remainder 24 |
| 3 | 123 ÷ 24 = 5 remainder 3 |
| 4 | 24 ÷ 3 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 65 and 18 | 1170 |
| 19 and 64 | 1216 |
| 43 and 23 | 989 |
| 35 and 178 | 6230 |
| 128 and 173 | 22144 |