Least Common Multiple (LCM) of 47 and 68
The least common multiple (LCM) of 47 and 68 is 3196.
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 68?
First, calculate the GCD of 47 and 68 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 47 ÷ 68 = 0 remainder 47 |
| 2 | 68 ÷ 47 = 1 remainder 21 |
| 3 | 47 ÷ 21 = 2 remainder 5 |
| 4 | 21 ÷ 5 = 4 remainder 1 |
| 5 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 177 and 134 | 23718 |
| 79 and 190 | 15010 |
| 113 and 138 | 15594 |
| 152 and 60 | 2280 |
| 90 and 127 | 11430 |