Least Common Multiple (LCM) of 13 and 71
The least common multiple (LCM) of 13 and 71 is 923.
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 13 and 71?
First, calculate the GCD of 13 and 71 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 13 ÷ 71 = 0 remainder 13 |
| 2 | 71 ÷ 13 = 5 remainder 6 |
| 3 | 13 ÷ 6 = 2 remainder 1 |
| 4 | 6 ÷ 1 = 6 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 57 and 70 | 3990 |
| 109 and 141 | 15369 |
| 188 and 191 | 35908 |
| 182 and 123 | 22386 |
| 37 and 146 | 5402 |