Least Common Multiple (LCM) of 197 and 156
The least common multiple (LCM) of 197 and 156 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 197 and 156?
First, calculate the GCD of 197 and 156 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 197 ÷ 156 = 1 remainder 41 |
| 2 | 156 ÷ 41 = 3 remainder 33 |
| 3 | 41 ÷ 33 = 1 remainder 8 |
| 4 | 33 ÷ 8 = 4 remainder 1 |
| 5 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 151 and 100 | 15100 |
| 173 and 80 | 13840 |
| 129 and 140 | 18060 |
| 81 and 135 | 405 |
| 56 and 61 | 3416 |