Least Common Multiple (LCM) of 80 and 103
The least common multiple (LCM) of 80 and 103 is 8240.
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 80 and 103?
First, calculate the GCD of 80 and 103 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 80 ÷ 103 = 0 remainder 80 |
| 2 | 103 ÷ 80 = 1 remainder 23 |
| 3 | 80 ÷ 23 = 3 remainder 11 |
| 4 | 23 ÷ 11 = 2 remainder 1 |
| 5 | 11 ÷ 1 = 11 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 77 and 94 | 7238 |
| 133 and 154 | 2926 |
| 161 and 76 | 12236 |
| 77 and 45 | 3465 |
| 184 and 155 | 28520 |