Least Common Multiple (LCM) of 76 and 47
The least common multiple (LCM) of 76 and 47 is 3572.
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 76 and 47?
First, calculate the GCD of 76 and 47 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 76 ÷ 47 = 1 remainder 29 |
| 2 | 47 ÷ 29 = 1 remainder 18 |
| 3 | 29 ÷ 18 = 1 remainder 11 |
| 4 | 18 ÷ 11 = 1 remainder 7 |
| 5 | 11 ÷ 7 = 1 remainder 4 |
| 6 | 7 ÷ 4 = 1 remainder 3 |
| 7 | 4 ÷ 3 = 1 remainder 1 |
| 8 | 3 ÷ 1 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 159 and 67 | 10653 |
| 121 and 126 | 15246 |
| 86 and 111 | 9546 |
| 193 and 105 | 20265 |
| 78 and 174 | 2262 |