Least Common Multiple (LCM) of 175 and 78
The least common multiple (LCM) of 175 and 78 is 13650.
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 175 and 78?
First, calculate the GCD of 175 and 78 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 175 ÷ 78 = 2 remainder 19 |
| 2 | 78 ÷ 19 = 4 remainder 2 |
| 3 | 19 ÷ 2 = 9 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 173 and 79 | 13667 |
| 39 and 103 | 4017 |
| 146 and 47 | 6862 |
| 18 and 177 | 1062 |
| 169 and 82 | 13858 |