Least Common Multiple (LCM) of 124 and 103
The least common multiple (LCM) of 124 and 103 is 12772.
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 124 and 103?
First, calculate the GCD of 124 and 103 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 124 ÷ 103 = 1 remainder 21 |
| 2 | 103 ÷ 21 = 4 remainder 19 |
| 3 | 21 ÷ 19 = 1 remainder 2 |
| 4 | 19 ÷ 2 = 9 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 90 and 50 | 450 |
| 174 and 168 | 4872 |
| 45 and 21 | 315 |
| 150 and 129 | 6450 |
| 93 and 86 | 7998 |