Least Common Multiple (LCM) of 99 and 130
The least common multiple (LCM) of 99 and 130 is 12870.
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 130?
First, calculate the GCD of 99 and 130 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 99 ÷ 130 = 0 remainder 99 |
| 2 | 130 ÷ 99 = 1 remainder 31 |
| 3 | 99 ÷ 31 = 3 remainder 6 |
| 4 | 31 ÷ 6 = 5 remainder 1 |
| 5 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 160 and 133 | 21280 |
| 128 and 23 | 2944 |
| 119 and 104 | 12376 |
| 155 and 87 | 13485 |
| 117 and 31 | 3627 |