Least Common Multiple (LCM) of 51 and 162
The least common multiple (LCM) of 51 and 162 is 2754.
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 162?
First, calculate the GCD of 51 and 162 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 51 ÷ 162 = 0 remainder 51 |
| 2 | 162 ÷ 51 = 3 remainder 9 |
| 3 | 51 ÷ 9 = 5 remainder 6 |
| 4 | 9 ÷ 6 = 1 remainder 3 |
| 5 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 145 and 163 | 23635 |
| 196 and 12 | 588 |
| 159 and 132 | 6996 |
| 138 and 136 | 9384 |
| 152 and 124 | 4712 |