Least Common Multiple (LCM) of 195 and 84
The least common multiple (LCM) of 195 and 84 is 5460.
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 84?
First, calculate the GCD of 195 and 84 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 195 ÷ 84 = 2 remainder 27 |
| 2 | 84 ÷ 27 = 3 remainder 3 |
| 3 | 27 ÷ 3 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 42 and 86 | 1806 |
| 88 and 121 | 968 |
| 18 and 90 | 90 |
| 154 and 110 | 770 |
| 115 and 61 | 7015 |