Least Common Multiple (LCM) of 172 and 95
The least common multiple (LCM) of 172 and 95 is 16340.
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 95?
First, calculate the GCD of 172 and 95 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 172 ÷ 95 = 1 remainder 77 |
| 2 | 95 ÷ 77 = 1 remainder 18 |
| 3 | 77 ÷ 18 = 4 remainder 5 |
| 4 | 18 ÷ 5 = 3 remainder 3 |
| 5 | 5 ÷ 3 = 1 remainder 2 |
| 6 | 3 ÷ 2 = 1 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 18 and 25 | 450 |
| 149 and 184 | 27416 |
| 26 and 197 | 5122 |
| 149 and 109 | 16241 |
| 71 and 188 | 13348 |