Least Common Multiple (LCM) of 63 and 79
The least common multiple (LCM) of 63 and 79 is 4977.
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 79?
First, calculate the GCD of 63 and 79 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 63 ÷ 79 = 0 remainder 63 |
| 2 | 79 ÷ 63 = 1 remainder 16 |
| 3 | 63 ÷ 16 = 3 remainder 15 |
| 4 | 16 ÷ 15 = 1 remainder 1 |
| 5 | 15 ÷ 1 = 15 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 161 and 11 | 1771 |
| 47 and 79 | 3713 |
| 91 and 185 | 16835 |
| 112 and 22 | 1232 |
| 181 and 145 | 26245 |