Least Common Multiple (LCM) of 193 and 113
The least common multiple (LCM) of 193 and 113 is 21809.
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 193 and 113?
First, calculate the GCD of 193 and 113 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 193 ÷ 113 = 1 remainder 80 |
| 2 | 113 ÷ 80 = 1 remainder 33 |
| 3 | 80 ÷ 33 = 2 remainder 14 |
| 4 | 33 ÷ 14 = 2 remainder 5 |
| 5 | 14 ÷ 5 = 2 remainder 4 |
| 6 | 5 ÷ 4 = 1 remainder 1 |
| 7 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 162 and 33 | 1782 |
| 71 and 109 | 7739 |
| 181 and 134 | 24254 |
| 194 and 168 | 16296 |
| 21 and 185 | 3885 |