Least Common Multiple (LCM) of 83 and 195
The least common multiple (LCM) of 83 and 195 is 16185.
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 83 and 195?
First, calculate the GCD of 83 and 195 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 83 ÷ 195 = 0 remainder 83 |
| 2 | 195 ÷ 83 = 2 remainder 29 |
| 3 | 83 ÷ 29 = 2 remainder 25 |
| 4 | 29 ÷ 25 = 1 remainder 4 |
| 5 | 25 ÷ 4 = 6 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 185 and 140 | 5180 |
| 15 and 68 | 1020 |
| 161 and 67 | 10787 |
| 128 and 57 | 7296 |
| 162 and 66 | 1782 |