Least Common Multiple (LCM) of 71 and 99
The least common multiple (LCM) of 71 and 99 is 7029.
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 99?
First, calculate the GCD of 71 and 99 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 71 ÷ 99 = 0 remainder 71 |
| 2 | 99 ÷ 71 = 1 remainder 28 |
| 3 | 71 ÷ 28 = 2 remainder 15 |
| 4 | 28 ÷ 15 = 1 remainder 13 |
| 5 | 15 ÷ 13 = 1 remainder 2 |
| 6 | 13 ÷ 2 = 6 remainder 1 |
| 7 | 2 ÷ 1 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 193 and 196 | 37828 |
| 155 and 80 | 2480 |
| 130 and 34 | 2210 |
| 117 and 101 | 11817 |
| 76 and 87 | 6612 |