Least Common Multiple (LCM) of 30 and 67
The least common multiple (LCM) of 30 and 67 is 2010.
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 67?
First, calculate the GCD of 30 and 67 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 30 ÷ 67 = 0 remainder 30 |
| 2 | 67 ÷ 30 = 2 remainder 7 |
| 3 | 30 ÷ 7 = 4 remainder 2 |
| 4 | 7 ÷ 2 = 3 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 149 and 15 | 2235 |
| 128 and 50 | 3200 |
| 44 and 17 | 748 |
| 182 and 26 | 182 |
| 138 and 26 | 1794 |