Least Common Multiple (LCM) of 13 and 185
The least common multiple (LCM) of 13 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 13 and 185?
First, calculate the GCD of 13 and 185 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 13 ÷ 185 = 0 remainder 13 |
| 2 | 185 ÷ 13 = 14 remainder 3 |
| 3 | 13 ÷ 3 = 4 remainder 1 |
| 4 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 157 and 27 | 4239 |
| 134 and 199 | 26666 |
| 130 and 187 | 24310 |
| 65 and 117 | 585 |
| 20 and 150 | 300 |