Least Common Multiple (LCM) of 128 and 58
The least common multiple (LCM) of 128 and 58 is 3712.
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 58?
First, calculate the GCD of 128 and 58 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 128 ÷ 58 = 2 remainder 12 |
| 2 | 58 ÷ 12 = 4 remainder 10 |
| 3 | 12 ÷ 10 = 1 remainder 2 |
| 4 | 10 ÷ 2 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 132 and 140 | 4620 |
| 44 and 100 | 1100 |
| 68 and 28 | 476 |
| 94 and 67 | 6298 |
| 109 and 161 | 17549 |