Least Common Multiple (LCM) of 156 and 197
The least common multiple (LCM) of 156 and 197 is 30732.
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 156 and 197?
First, calculate the GCD of 156 and 197 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 156 ÷ 197 = 0 remainder 156 |
| 2 | 197 ÷ 156 = 1 remainder 41 |
| 3 | 156 ÷ 41 = 3 remainder 33 |
| 4 | 41 ÷ 33 = 1 remainder 8 |
| 5 | 33 ÷ 8 = 4 remainder 1 |
| 6 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 168 and 68 | 2856 |
| 43 and 23 | 989 |
| 195 and 101 | 19695 |
| 133 and 85 | 11305 |
| 89 and 153 | 13617 |