Least Common Multiple (LCM) of 77 and 193
The least common multiple (LCM) of 77 and 193 is 14861.
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 77 and 193?
First, calculate the GCD of 77 and 193 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 77 ÷ 193 = 0 remainder 77 |
| 2 | 193 ÷ 77 = 2 remainder 39 |
| 3 | 77 ÷ 39 = 1 remainder 38 |
| 4 | 39 ÷ 38 = 1 remainder 1 |
| 5 | 38 ÷ 1 = 38 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 50 and 72 | 1800 |
| 185 and 42 | 7770 |
| 69 and 17 | 1173 |
| 49 and 194 | 9506 |
| 67 and 108 | 7236 |