Least Common Multiple (LCM) of 181 and 30
The least common multiple (LCM) of 181 and 30 is 5430.
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 30?
First, calculate the GCD of 181 and 30 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 181 ÷ 30 = 6 remainder 1 |
| 2 | 30 ÷ 1 = 30 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 54 and 74 | 1998 |
| 130 and 44 | 2860 |
| 25 and 62 | 1550 |
| 18 and 30 | 90 |
| 46 and 86 | 1978 |