Least Common Multiple (LCM) of 54 and 51
The least common multiple (LCM) of 54 and 51 is 918.
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 54 and 51?
First, calculate the GCD of 54 and 51 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 54 ÷ 51 = 1 remainder 3 |
| 2 | 51 ÷ 3 = 17 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 81 and 42 | 1134 |
| 115 and 196 | 22540 |
| 101 and 37 | 3737 |
| 109 and 126 | 13734 |
| 63 and 25 | 1575 |