Least Common Multiple (LCM) of 103 and 173
The least common multiple (LCM) of 103 and 173 is 17819.
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 103 and 173?
First, calculate the GCD of 103 and 173 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 103 ÷ 173 = 0 remainder 103 |
| 2 | 173 ÷ 103 = 1 remainder 70 |
| 3 | 103 ÷ 70 = 1 remainder 33 |
| 4 | 70 ÷ 33 = 2 remainder 4 |
| 5 | 33 ÷ 4 = 8 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 13 and 23 | 299 |
| 155 and 88 | 13640 |
| 69 and 51 | 1173 |
| 39 and 134 | 5226 |
| 108 and 138 | 2484 |