Least Common Multiple (LCM) of 30 and 146
The least common multiple (LCM) of 30 and 146 is 2190.
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 30 and 146?
First, calculate the GCD of 30 and 146 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 30 ÷ 146 = 0 remainder 30 |
| 2 | 146 ÷ 30 = 4 remainder 26 |
| 3 | 30 ÷ 26 = 1 remainder 4 |
| 4 | 26 ÷ 4 = 6 remainder 2 |
| 5 | 4 ÷ 2 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 50 and 87 | 4350 |
| 164 and 125 | 20500 |
| 81 and 91 | 7371 |
| 81 and 185 | 14985 |
| 147 and 97 | 14259 |