Least Common Multiple (LCM) of 79 and 38
The least common multiple (LCM) of 79 and 38 is 3002.
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 79 and 38?
First, calculate the GCD of 79 and 38 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 38 = 2 remainder 3 |
| 2 | 38 ÷ 3 = 12 remainder 2 |
| 3 | 3 ÷ 2 = 1 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 110 and 71 | 7810 |
| 17 and 19 | 323 |
| 32 and 84 | 672 |
| 134 and 126 | 8442 |
| 195 and 50 | 1950 |