Least Common Multiple (LCM) of 196 and 56
The least common multiple (LCM) of 196 and 56 is 392.
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 196 and 56?
First, calculate the GCD of 196 and 56 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 196 ÷ 56 = 3 remainder 28 |
| 2 | 56 ÷ 28 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 128 and 74 | 4736 |
| 53 and 68 | 3604 |
| 161 and 120 | 19320 |
| 118 and 136 | 8024 |
| 12 and 160 | 480 |