Least Common Multiple (LCM) of 117 and 47
The least common multiple (LCM) of 117 and 47 is 5499.
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 117 and 47?
First, calculate the GCD of 117 and 47 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 117 ÷ 47 = 2 remainder 23 |
| 2 | 47 ÷ 23 = 2 remainder 1 |
| 3 | 23 ÷ 1 = 23 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 161 and 49 | 1127 |
| 121 and 68 | 8228 |
| 128 and 131 | 16768 |
| 187 and 174 | 32538 |
| 165 and 64 | 10560 |