Least Common Multiple (LCM) of 197 and 101
The least common multiple (LCM) of 197 and 101 is 19897.
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 101?
First, calculate the GCD of 197 and 101 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 197 ÷ 101 = 1 remainder 96 |
| 2 | 101 ÷ 96 = 1 remainder 5 |
| 3 | 96 ÷ 5 = 19 remainder 1 |
| 4 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 31 and 78 | 2418 |
| 195 and 167 | 32565 |
| 120 and 154 | 9240 |
| 185 and 127 | 23495 |
| 145 and 80 | 2320 |