Least Common Multiple (LCM) of 100 and 75
The least common multiple (LCM) of 100 and 75 is 300.
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 100 and 75?
First, calculate the GCD of 100 and 75 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 100 ÷ 75 = 1 remainder 25 |
| 2 | 75 ÷ 25 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 15 and 21 | 105 |
| 71 and 49 | 3479 |
| 159 and 116 | 18444 |
| 105 and 198 | 6930 |
| 158 and 88 | 6952 |