Least Common Multiple (LCM) of 12 and 63
The least common multiple (LCM) of 12 and 63 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 12 and 63?
First, calculate the GCD of 12 and 63 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 12 ÷ 63 = 0 remainder 12 |
| 2 | 63 ÷ 12 = 5 remainder 3 |
| 3 | 12 ÷ 3 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 103 and 76 | 7828 |
| 123 and 97 | 11931 |
| 130 and 176 | 11440 |
| 132 and 156 | 1716 |
| 88 and 171 | 15048 |