Least Common Multiple (LCM) of 168 and 79
The least common multiple (LCM) of 168 and 79 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 168 and 79?
First, calculate the GCD of 168 and 79 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 168 ÷ 79 = 2 remainder 10 |
| 2 | 79 ÷ 10 = 7 remainder 9 |
| 3 | 10 ÷ 9 = 1 remainder 1 |
| 4 | 9 ÷ 1 = 9 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 183 and 74 | 13542 |
| 160 and 178 | 14240 |
| 153 and 157 | 24021 |
| 163 and 181 | 29503 |
| 145 and 30 | 870 |