Least Common Multiple (LCM) of 64 and 145
The least common multiple (LCM) of 64 and 145 is 9280.
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 64 and 145?
First, calculate the GCD of 64 and 145 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 64 ÷ 145 = 0 remainder 64 |
| 2 | 145 ÷ 64 = 2 remainder 17 |
| 3 | 64 ÷ 17 = 3 remainder 13 |
| 4 | 17 ÷ 13 = 1 remainder 4 |
| 5 | 13 ÷ 4 = 3 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 20 and 23 | 460 |
| 23 and 191 | 4393 |
| 153 and 26 | 3978 |
| 143 and 111 | 15873 |
| 158 and 24 | 1896 |