Least Common Multiple (LCM) of 47 and 99
The least common multiple (LCM) of 47 and 99 is 4653.
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 47 and 99?
First, calculate the GCD of 47 and 99 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 47 ÷ 99 = 0 remainder 47 |
| 2 | 99 ÷ 47 = 2 remainder 5 |
| 3 | 47 ÷ 5 = 9 remainder 2 |
| 4 | 5 ÷ 2 = 2 remainder 1 |
| 5 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 152 and 153 | 23256 |
| 108 and 142 | 7668 |
| 175 and 121 | 21175 |
| 40 and 18 | 360 |
| 86 and 46 | 1978 |