Least Common Multiple (LCM) of 75 and 175
The least common multiple (LCM) of 75 and 175 is 525.
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 75 and 175?
First, calculate the GCD of 75 and 175 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 75 ÷ 175 = 0 remainder 75 |
| 2 | 175 ÷ 75 = 2 remainder 25 |
| 3 | 75 ÷ 25 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 79 and 23 | 1817 |
| 145 and 191 | 27695 |
| 66 and 69 | 1518 |
| 99 and 165 | 495 |
| 172 and 195 | 33540 |