Least Common Multiple (LCM) of 195 and 170
The least common multiple (LCM) of 195 and 170 is 6630.
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 195 and 170?
First, calculate the GCD of 195 and 170 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 195 ÷ 170 = 1 remainder 25 |
| 2 | 170 ÷ 25 = 6 remainder 20 |
| 3 | 25 ÷ 20 = 1 remainder 5 |
| 4 | 20 ÷ 5 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 117 and 84 | 3276 |
| 78 and 62 | 2418 |
| 46 and 156 | 3588 |
| 121 and 61 | 7381 |
| 75 and 31 | 2325 |