Least Common Multiple (LCM) of 79 and 168
The least common multiple (LCM) of 79 and 168 is 13272.
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 168?
First, calculate the GCD of 79 and 168 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 79 ÷ 168 = 0 remainder 79 |
| 2 | 168 ÷ 79 = 2 remainder 10 |
| 3 | 79 ÷ 10 = 7 remainder 9 |
| 4 | 10 ÷ 9 = 1 remainder 1 |
| 5 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 123 and 30 | 1230 |
| 198 and 87 | 5742 |
| 85 and 108 | 9180 |
| 97 and 187 | 18139 |
| 147 and 94 | 13818 |