Least Common Multiple (LCM) of 71 and 122
The least common multiple (LCM) of 71 and 122 is 8662.
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 122?
First, calculate the GCD of 71 and 122 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 71 ÷ 122 = 0 remainder 71 |
| 2 | 122 ÷ 71 = 1 remainder 51 |
| 3 | 71 ÷ 51 = 1 remainder 20 |
| 4 | 51 ÷ 20 = 2 remainder 11 |
| 5 | 20 ÷ 11 = 1 remainder 9 |
| 6 | 11 ÷ 9 = 1 remainder 2 |
| 7 | 9 ÷ 2 = 4 remainder 1 |
| 8 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 196 and 48 | 2352 |
| 83 and 119 | 9877 |
| 169 and 157 | 26533 |
| 180 and 65 | 2340 |
| 134 and 38 | 2546 |