Least Common Multiple (LCM) of 181 and 83
The least common multiple (LCM) of 181 and 83 is 15023.
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 181 and 83?
First, calculate the GCD of 181 and 83 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 83 = 2 remainder 15 |
| 2 | 83 ÷ 15 = 5 remainder 8 |
| 3 | 15 ÷ 8 = 1 remainder 7 |
| 4 | 8 ÷ 7 = 1 remainder 1 |
| 5 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 142 and 73 | 10366 |
| 107 and 124 | 13268 |
| 21 and 12 | 84 |
| 45 and 138 | 2070 |
| 126 and 43 | 5418 |