Least Common Multiple (LCM) of 63 and 67
The least common multiple (LCM) of 63 and 67 is 4221.
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 67?
First, calculate the GCD of 63 and 67 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 63 ÷ 67 = 0 remainder 63 |
| 2 | 67 ÷ 63 = 1 remainder 4 |
| 3 | 63 ÷ 4 = 15 remainder 3 |
| 4 | 4 ÷ 3 = 1 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 166 and 197 | 32702 |
| 49 and 90 | 4410 |
| 117 and 63 | 819 |
| 39 and 165 | 2145 |
| 198 and 74 | 7326 |