Least Common Multiple (LCM) of 22 and 30
The least common multiple (LCM) of 22 and 30 is 330.
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 22 and 30?
First, calculate the GCD of 22 and 30 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 22 ÷ 30 = 0 remainder 22 |
| 2 | 30 ÷ 22 = 1 remainder 8 |
| 3 | 22 ÷ 8 = 2 remainder 6 |
| 4 | 8 ÷ 6 = 1 remainder 2 |
| 5 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 166 and 24 | 1992 |
| 150 and 190 | 2850 |
| 14 and 36 | 252 |
| 103 and 17 | 1751 |
| 110 and 21 | 2310 |