Least Common Multiple (LCM) of 22 and 63
The least common multiple (LCM) of 22 and 63 is 1386.
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 63?
First, calculate the GCD of 22 and 63 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 22 ÷ 63 = 0 remainder 22 |
| 2 | 63 ÷ 22 = 2 remainder 19 |
| 3 | 22 ÷ 19 = 1 remainder 3 |
| 4 | 19 ÷ 3 = 6 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 197 and 95 | 18715 |
| 55 and 27 | 1485 |
| 179 and 168 | 30072 |
| 118 and 122 | 7198 |
| 159 and 140 | 22260 |