Least Common Multiple (LCM) of 197 and 137
The least common multiple (LCM) of 197 and 137 is 26989.
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 197 and 137?
First, calculate the GCD of 197 and 137 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 197 ÷ 137 = 1 remainder 60 |
| 2 | 137 ÷ 60 = 2 remainder 17 |
| 3 | 60 ÷ 17 = 3 remainder 9 |
| 4 | 17 ÷ 9 = 1 remainder 8 |
| 5 | 9 ÷ 8 = 1 remainder 1 |
| 6 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 87 and 79 | 6873 |
| 104 and 86 | 4472 |
| 13 and 34 | 442 |
| 135 and 151 | 20385 |
| 197 and 195 | 38415 |