Least Common Multiple (LCM) of 193 and 78
The least common multiple (LCM) of 193 and 78 is 15054.
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 78?
First, calculate the GCD of 193 and 78 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 193 ÷ 78 = 2 remainder 37 |
| 2 | 78 ÷ 37 = 2 remainder 4 |
| 3 | 37 ÷ 4 = 9 remainder 1 |
| 4 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 76 and 149 | 11324 |
| 91 and 17 | 1547 |
| 152 and 45 | 6840 |
| 43 and 32 | 1376 |
| 155 and 109 | 16895 |