Least Common Multiple (LCM) of 51 and 73
The least common multiple (LCM) of 51 and 73 is 3723.
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 51 and 73?
First, calculate the GCD of 51 and 73 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 51 ÷ 73 = 0 remainder 51 |
| 2 | 73 ÷ 51 = 1 remainder 22 |
| 3 | 51 ÷ 22 = 2 remainder 7 |
| 4 | 22 ÷ 7 = 3 remainder 1 |
| 5 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 138 and 63 | 2898 |
| 56 and 193 | 10808 |
| 125 and 121 | 15125 |
| 168 and 141 | 7896 |
| 51 and 171 | 2907 |