Least Common Multiple (LCM) of 99 and 199
The least common multiple (LCM) of 99 and 199 is 19701.
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 99 and 199?
First, calculate the GCD of 99 and 199 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 99 ÷ 199 = 0 remainder 99 |
| 2 | 199 ÷ 99 = 2 remainder 1 |
| 3 | 99 ÷ 1 = 99 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 132 and 155 | 20460 |
| 167 and 13 | 2171 |
| 109 and 73 | 7957 |
| 170 and 99 | 16830 |
| 90 and 66 | 990 |