Least Common Multiple (LCM) of 30 and 148
The least common multiple (LCM) of 30 and 148 is 2220.
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 148?
First, calculate the GCD of 30 and 148 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 30 ÷ 148 = 0 remainder 30 |
| 2 | 148 ÷ 30 = 4 remainder 28 |
| 3 | 30 ÷ 28 = 1 remainder 2 |
| 4 | 28 ÷ 2 = 14 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 188 and 100 | 4700 |
| 123 and 172 | 21156 |
| 95 and 35 | 665 |
| 126 and 90 | 630 |
| 11 and 72 | 792 |