Least Common Multiple (LCM) of 71 and 64
The least common multiple (LCM) of 71 and 64 is 4544.
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 71 and 64?
First, calculate the GCD of 71 and 64 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 71 ÷ 64 = 1 remainder 7 |
| 2 | 64 ÷ 7 = 9 remainder 1 |
| 3 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 169 and 181 | 30589 |
| 197 and 164 | 32308 |
| 47 and 140 | 6580 |
| 13 and 150 | 1950 |
| 64 and 178 | 5696 |