Least Common Multiple (LCM) of 109 and 63
The least common multiple (LCM) of 109 and 63 is 6867.
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 109 and 63?
First, calculate the GCD of 109 and 63 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 109 ÷ 63 = 1 remainder 46 |
| 2 | 63 ÷ 46 = 1 remainder 17 |
| 3 | 46 ÷ 17 = 2 remainder 12 |
| 4 | 17 ÷ 12 = 1 remainder 5 |
| 5 | 12 ÷ 5 = 2 remainder 2 |
| 6 | 5 ÷ 2 = 2 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 39 and 179 | 6981 |
| 15 and 17 | 255 |
| 138 and 84 | 1932 |
| 73 and 35 | 2555 |
| 27 and 83 | 2241 |