Least Common Multiple (LCM) of 186 and 109
The least common multiple (LCM) of 186 and 109 is 20274.
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 186 and 109?
First, calculate the GCD of 186 and 109 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 186 ÷ 109 = 1 remainder 77 |
| 2 | 109 ÷ 77 = 1 remainder 32 |
| 3 | 77 ÷ 32 = 2 remainder 13 |
| 4 | 32 ÷ 13 = 2 remainder 6 |
| 5 | 13 ÷ 6 = 2 remainder 1 |
| 6 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 123 and 111 | 4551 |
| 15 and 21 | 105 |
| 15 and 63 | 315 |
| 162 and 121 | 19602 |
| 19 and 86 | 1634 |