Least Common Multiple (LCM) of 128 and 179
The least common multiple (LCM) of 128 and 179 is 22912.
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 128 and 179?
First, calculate the GCD of 128 and 179 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 128 ÷ 179 = 0 remainder 128 |
| 2 | 179 ÷ 128 = 1 remainder 51 |
| 3 | 128 ÷ 51 = 2 remainder 26 |
| 4 | 51 ÷ 26 = 1 remainder 25 |
| 5 | 26 ÷ 25 = 1 remainder 1 |
| 6 | 25 ÷ 1 = 25 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 98 and 13 | 1274 |
| 42 and 189 | 378 |
| 22 and 45 | 990 |
| 127 and 182 | 23114 |
| 90 and 151 | 13590 |