Least Common Multiple (LCM) of 137 and 128
The least common multiple (LCM) of 137 and 128 is 17536.
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 137 and 128?
First, calculate the GCD of 137 and 128 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 137 ÷ 128 = 1 remainder 9 |
| 2 | 128 ÷ 9 = 14 remainder 2 |
| 3 | 9 ÷ 2 = 4 remainder 1 |
| 4 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 41 and 59 | 2419 |
| 132 and 146 | 9636 |
| 66 and 42 | 462 |
| 191 and 170 | 32470 |
| 68 and 30 | 1020 |