Least Common Multiple (LCM) of 80 and 191
The least common multiple (LCM) of 80 and 191 is 15280.
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 191?
First, calculate the GCD of 80 and 191 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 80 ÷ 191 = 0 remainder 80 |
| 2 | 191 ÷ 80 = 2 remainder 31 |
| 3 | 80 ÷ 31 = 2 remainder 18 |
| 4 | 31 ÷ 18 = 1 remainder 13 |
| 5 | 18 ÷ 13 = 1 remainder 5 |
| 6 | 13 ÷ 5 = 2 remainder 3 |
| 7 | 5 ÷ 3 = 1 remainder 2 |
| 8 | 3 ÷ 2 = 1 remainder 1 |
| 9 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 173 | 23874 |
| 161 and 186 | 29946 |
| 152 and 75 | 11400 |
| 22 and 67 | 1474 |
| 105 and 114 | 3990 |