Least Common Multiple (LCM) of 105 and 181
The least common multiple (LCM) of 105 and 181 is 19005.
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 105 and 181?
First, calculate the GCD of 105 and 181 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 105 ÷ 181 = 0 remainder 105 |
| 2 | 181 ÷ 105 = 1 remainder 76 |
| 3 | 105 ÷ 76 = 1 remainder 29 |
| 4 | 76 ÷ 29 = 2 remainder 18 |
| 5 | 29 ÷ 18 = 1 remainder 11 |
| 6 | 18 ÷ 11 = 1 remainder 7 |
| 7 | 11 ÷ 7 = 1 remainder 4 |
| 8 | 7 ÷ 4 = 1 remainder 3 |
| 9 | 4 ÷ 3 = 1 remainder 1 |
| 10 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 137 and 103 | 14111 |
| 96 and 118 | 5664 |
| 168 and 43 | 7224 |
| 91 and 192 | 17472 |
| 193 and 119 | 22967 |