Least Common Multiple (LCM) of 28 and 196
The least common multiple (LCM) of 28 and 196 is 196.
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 196?
First, calculate the GCD of 28 and 196 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 28 ÷ 196 = 0 remainder 28 |
| 2 | 196 ÷ 28 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 177 and 171 | 10089 |
| 92 and 41 | 3772 |
| 110 and 130 | 1430 |
| 172 and 81 | 13932 |
| 196 and 154 | 2156 |