Least Common Multiple (LCM) of 178 and 64
The least common multiple (LCM) of 178 and 64 is 5696.
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 178 and 64?
First, calculate the GCD of 178 and 64 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 178 ÷ 64 = 2 remainder 50 |
| 2 | 64 ÷ 50 = 1 remainder 14 |
| 3 | 50 ÷ 14 = 3 remainder 8 |
| 4 | 14 ÷ 8 = 1 remainder 6 |
| 5 | 8 ÷ 6 = 1 remainder 2 |
| 6 | 6 ÷ 2 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 20 and 121 | 2420 |
| 175 and 128 | 22400 |
| 158 and 104 | 8216 |
| 27 and 123 | 1107 |
| 20 and 144 | 720 |