Least Common Multiple (LCM) of 49 and 193
The least common multiple (LCM) of 49 and 193 is 9457.
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 49 and 193?
First, calculate the GCD of 49 and 193 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 49 ÷ 193 = 0 remainder 49 |
| 2 | 193 ÷ 49 = 3 remainder 46 |
| 3 | 49 ÷ 46 = 1 remainder 3 |
| 4 | 46 ÷ 3 = 15 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 194 and 21 | 4074 |
| 30 and 96 | 480 |
| 78 and 186 | 2418 |
| 97 and 53 | 5141 |
| 147 and 134 | 19698 |