Least Common Multiple (LCM) of 173 and 103
The least common multiple (LCM) of 173 and 103 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 173 and 103?
First, calculate the GCD of 173 and 103 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 173 ÷ 103 = 1 remainder 70 |
| 2 | 103 ÷ 70 = 1 remainder 33 |
| 3 | 70 ÷ 33 = 2 remainder 4 |
| 4 | 33 ÷ 4 = 8 remainder 1 |
| 5 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 42 and 16 | 336 |
| 200 and 28 | 1400 |
| 37 and 99 | 3663 |
| 198 and 49 | 9702 |
| 124 and 116 | 3596 |