Least Common Multiple (LCM) of 28 and 150
The least common multiple (LCM) of 28 and 150 is 2100.
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 28 and 150?
First, calculate the GCD of 28 and 150 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 28 ÷ 150 = 0 remainder 28 |
| 2 | 150 ÷ 28 = 5 remainder 10 |
| 3 | 28 ÷ 10 = 2 remainder 8 |
| 4 | 10 ÷ 8 = 1 remainder 2 |
| 5 | 8 ÷ 2 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 144 and 67 | 9648 |
| 131 and 161 | 21091 |
| 79 and 68 | 5372 |
| 168 and 191 | 32088 |
| 142 and 95 | 13490 |