Least Common Multiple (LCM) of 12 and 185
The least common multiple (LCM) of 12 and 185 is 2220.
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 12 and 185?
First, calculate the GCD of 12 and 185 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 12 ÷ 185 = 0 remainder 12 |
| 2 | 185 ÷ 12 = 15 remainder 5 |
| 3 | 12 ÷ 5 = 2 remainder 2 |
| 4 | 5 ÷ 2 = 2 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 115 and 130 | 2990 |
| 194 and 158 | 15326 |
| 71 and 168 | 11928 |
| 198 and 42 | 1386 |
| 116 and 122 | 7076 |