Least Common Multiple (LCM) of 79 and 195
The least common multiple (LCM) of 79 and 195 is 15405.
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 195?
First, calculate the GCD of 79 and 195 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 195 = 0 remainder 79 |
| 2 | 195 ÷ 79 = 2 remainder 37 |
| 3 | 79 ÷ 37 = 2 remainder 5 |
| 4 | 37 ÷ 5 = 7 remainder 2 |
| 5 | 5 ÷ 2 = 2 remainder 1 |
| 6 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 180 and 195 | 2340 |
| 197 and 41 | 8077 |
| 64 and 31 | 1984 |
| 122 and 64 | 3904 |
| 107 and 18 | 1926 |