Least Common Multiple (LCM) of 69 and 162
The least common multiple (LCM) of 69 and 162 is 3726.
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 69 and 162?
First, calculate the GCD of 69 and 162 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 69 ÷ 162 = 0 remainder 69 |
| 2 | 162 ÷ 69 = 2 remainder 24 |
| 3 | 69 ÷ 24 = 2 remainder 21 |
| 4 | 24 ÷ 21 = 1 remainder 3 |
| 5 | 21 ÷ 3 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 65 and 129 | 8385 |
| 42 and 72 | 504 |
| 67 and 189 | 12663 |
| 179 and 62 | 11098 |
| 151 and 43 | 6493 |