Least Common Multiple (LCM) of 181 and 139
The least common multiple (LCM) of 181 and 139 is 25159.
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 139?
First, calculate the GCD of 181 and 139 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 139 = 1 remainder 42 |
| 2 | 139 ÷ 42 = 3 remainder 13 |
| 3 | 42 ÷ 13 = 3 remainder 3 |
| 4 | 13 ÷ 3 = 4 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 17 and 71 | 1207 |
| 121 and 87 | 10527 |
| 137 and 148 | 20276 |
| 134 and 185 | 24790 |
| 88 and 168 | 1848 |