Least Common Multiple (LCM) of 172 and 103
The least common multiple (LCM) of 172 and 103 is 17716.
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 172 and 103?
First, calculate the GCD of 172 and 103 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 172 ÷ 103 = 1 remainder 69 |
| 2 | 103 ÷ 69 = 1 remainder 34 |
| 3 | 69 ÷ 34 = 2 remainder 1 |
| 4 | 34 ÷ 1 = 34 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 14 and 80 | 560 |
| 71 and 170 | 12070 |
| 28 and 177 | 4956 |
| 102 and 104 | 5304 |
| 149 and 108 | 16092 |