Least Common Multiple (LCM) of 196 and 19
The least common multiple (LCM) of 196 and 19 is 3724.
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 19?
First, calculate the GCD of 196 and 19 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 196 ÷ 19 = 10 remainder 6 |
| 2 | 19 ÷ 6 = 3 remainder 1 |
| 3 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 115 and 111 | 12765 |
| 106 and 117 | 12402 |
| 181 and 132 | 23892 |
| 146 and 79 | 11534 |
| 145 and 38 | 5510 |