Least Common Multiple (LCM) of 123 and 148
The least common multiple (LCM) of 123 and 148 is 18204.
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 148?
First, calculate the GCD of 123 and 148 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 123 ÷ 148 = 0 remainder 123 |
| 2 | 148 ÷ 123 = 1 remainder 25 |
| 3 | 123 ÷ 25 = 4 remainder 23 |
| 4 | 25 ÷ 23 = 1 remainder 2 |
| 5 | 23 ÷ 2 = 11 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 78 and 32 | 1248 |
| 35 and 153 | 5355 |
| 187 and 18 | 3366 |
| 122 and 87 | 10614 |
| 32 and 21 | 672 |