Least Common Multiple (LCM) of 71 and 196
The least common multiple (LCM) of 71 and 196 is 13916.
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 71 and 196?
First, calculate the GCD of 71 and 196 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 71 ÷ 196 = 0 remainder 71 |
| 2 | 196 ÷ 71 = 2 remainder 54 |
| 3 | 71 ÷ 54 = 1 remainder 17 |
| 4 | 54 ÷ 17 = 3 remainder 3 |
| 5 | 17 ÷ 3 = 5 remainder 2 |
| 6 | 3 ÷ 2 = 1 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 167 and 92 | 15364 |
| 187 and 175 | 32725 |
| 130 and 105 | 2730 |
| 137 and 45 | 6165 |
| 46 and 121 | 5566 |