Least Common Multiple (LCM) of 13 and 103
The least common multiple (LCM) of 13 and 103 is 1339.
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 13 and 103?
First, calculate the GCD of 13 and 103 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 13 ÷ 103 = 0 remainder 13 |
| 2 | 103 ÷ 13 = 7 remainder 12 |
| 3 | 13 ÷ 12 = 1 remainder 1 |
| 4 | 12 ÷ 1 = 12 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 14 and 154 | 154 |
| 21 and 179 | 3759 |
| 136 and 82 | 5576 |
| 120 and 135 | 1080 |
| 135 and 17 | 2295 |