Least Common Multiple (LCM) of 147 and 30
The least common multiple (LCM) of 147 and 30 is 1470.
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 147 and 30?
First, calculate the GCD of 147 and 30 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 147 ÷ 30 = 4 remainder 27 |
| 2 | 30 ÷ 27 = 1 remainder 3 |
| 3 | 27 ÷ 3 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 19 and 144 | 2736 |
| 199 and 182 | 36218 |
| 40 and 87 | 3480 |
| 138 and 131 | 18078 |
| 146 and 83 | 12118 |