Least Common Multiple (LCM) of 11 and 123
The least common multiple (LCM) of 11 and 123 is 1353.
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 11 and 123?
First, calculate the GCD of 11 and 123 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 11 ÷ 123 = 0 remainder 11 |
| 2 | 123 ÷ 11 = 11 remainder 2 |
| 3 | 11 ÷ 2 = 5 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 49 and 78 | 3822 |
| 126 and 35 | 630 |
| 16 and 85 | 1360 |
| 144 and 182 | 13104 |
| 97 and 98 | 9506 |