Least Common Multiple (LCM) of 196 and 45
The least common multiple (LCM) of 196 and 45 is 8820.
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 45?
First, calculate the GCD of 196 and 45 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 196 ÷ 45 = 4 remainder 16 |
| 2 | 45 ÷ 16 = 2 remainder 13 |
| 3 | 16 ÷ 13 = 1 remainder 3 |
| 4 | 13 ÷ 3 = 4 remainder 1 |
| 5 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 133 and 18 | 2394 |
| 34 and 139 | 4726 |
| 90 and 57 | 1710 |
| 113 and 63 | 7119 |
| 91 and 149 | 13559 |