Least Common Multiple (LCM) of 71 and 102
The least common multiple (LCM) of 71 and 102 is 7242.
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 102?
First, calculate the GCD of 71 and 102 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 71 ÷ 102 = 0 remainder 71 |
| 2 | 102 ÷ 71 = 1 remainder 31 |
| 3 | 71 ÷ 31 = 2 remainder 9 |
| 4 | 31 ÷ 9 = 3 remainder 4 |
| 5 | 9 ÷ 4 = 2 remainder 1 |
| 6 | 4 ÷ 1 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 65 | 8970 |
| 129 and 99 | 4257 |
| 187 and 194 | 36278 |
| 194 and 68 | 6596 |
| 117 and 94 | 10998 |