Least Common Multiple (LCM) of 63 and 66
The least common multiple (LCM) of 63 and 66 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 63 and 66?
First, calculate the GCD of 63 and 66 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 63 ÷ 66 = 0 remainder 63 |
| 2 | 66 ÷ 63 = 1 remainder 3 |
| 3 | 63 ÷ 3 = 21 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 16 and 200 | 400 |
| 39 and 13 | 39 |
| 73 and 160 | 11680 |
| 61 and 147 | 8967 |
| 149 and 193 | 28757 |