Least Common Multiple (LCM) of 169 and 80
The least common multiple (LCM) of 169 and 80 is 13520.
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 169 and 80?
First, calculate the GCD of 169 and 80 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 169 ÷ 80 = 2 remainder 9 |
| 2 | 80 ÷ 9 = 8 remainder 8 |
| 3 | 9 ÷ 8 = 1 remainder 1 |
| 4 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 23 and 14 | 322 |
| 41 and 41 | 41 |
| 172 and 31 | 5332 |
| 140 and 182 | 1820 |
| 144 and 20 | 720 |