Least Common Multiple (LCM) of 51 and 75
The least common multiple (LCM) of 51 and 75 is 1275.
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 75?
First, calculate the GCD of 51 and 75 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 51 ÷ 75 = 0 remainder 51 |
| 2 | 75 ÷ 51 = 1 remainder 24 |
| 3 | 51 ÷ 24 = 2 remainder 3 |
| 4 | 24 ÷ 3 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 154 and 169 | 26026 |
| 27 and 152 | 4104 |
| 111 and 87 | 3219 |
| 27 and 141 | 1269 |
| 147 and 80 | 11760 |