Least Common Multiple (LCM) of 118 and 193
The least common multiple (LCM) of 118 and 193 is 22774.
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 118 and 193?
First, calculate the GCD of 118 and 193 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 118 ÷ 193 = 0 remainder 118 |
| 2 | 193 ÷ 118 = 1 remainder 75 |
| 3 | 118 ÷ 75 = 1 remainder 43 |
| 4 | 75 ÷ 43 = 1 remainder 32 |
| 5 | 43 ÷ 32 = 1 remainder 11 |
| 6 | 32 ÷ 11 = 2 remainder 10 |
| 7 | 11 ÷ 10 = 1 remainder 1 |
| 8 | 10 ÷ 1 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 36 and 121 | 4356 |
| 12 and 81 | 324 |
| 20 and 47 | 940 |
| 149 and 172 | 25628 |
| 61 and 90 | 5490 |