Least Common Multiple (LCM) of 65 and 185
The least common multiple (LCM) of 65 and 185 is 2405.
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 65 and 185?
First, calculate the GCD of 65 and 185 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 65 ÷ 185 = 0 remainder 65 |
| 2 | 185 ÷ 65 = 2 remainder 55 |
| 3 | 65 ÷ 55 = 1 remainder 10 |
| 4 | 55 ÷ 10 = 5 remainder 5 |
| 5 | 10 ÷ 5 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 140 and 32 | 1120 |
| 142 and 170 | 12070 |
| 189 and 163 | 30807 |
| 158 and 91 | 14378 |
| 78 and 154 | 6006 |