Least Common Multiple (LCM) of 99 and 117
The least common multiple (LCM) of 99 and 117 is 1287.
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 117?
First, calculate the GCD of 99 and 117 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 99 ÷ 117 = 0 remainder 99 |
| 2 | 117 ÷ 99 = 1 remainder 18 |
| 3 | 99 ÷ 18 = 5 remainder 9 |
| 4 | 18 ÷ 9 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 177 and 47 | 8319 |
| 27 and 65 | 1755 |
| 114 and 30 | 570 |
| 72 and 152 | 1368 |
| 65 and 33 | 2145 |