Least Common Multiple (LCM) of 80 and 175
The least common multiple (LCM) of 80 and 175 is 2800.
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 80 and 175?
First, calculate the GCD of 80 and 175 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 80 ÷ 175 = 0 remainder 80 |
| 2 | 175 ÷ 80 = 2 remainder 15 |
| 3 | 80 ÷ 15 = 5 remainder 5 |
| 4 | 15 ÷ 5 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 173 and 84 | 14532 |
| 138 and 134 | 9246 |
| 168 and 145 | 24360 |
| 170 and 143 | 24310 |
| 180 and 124 | 5580 |