Least Common Multiple (LCM) of 63 and 84
The least common multiple (LCM) of 63 and 84 is 252.
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 84?
First, calculate the GCD of 63 and 84 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 63 ÷ 84 = 0 remainder 63 |
| 2 | 84 ÷ 63 = 1 remainder 21 |
| 3 | 63 ÷ 21 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 114 and 187 | 21318 |
| 149 and 105 | 15645 |
| 89 and 60 | 5340 |
| 173 and 146 | 25258 |
| 106 and 86 | 4558 |