Least Common Multiple (LCM) of 87 and 162
The least common multiple (LCM) of 87 and 162 is 4698.
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 87 and 162?
First, calculate the GCD of 87 and 162 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 87 ÷ 162 = 0 remainder 87 |
| 2 | 162 ÷ 87 = 1 remainder 75 |
| 3 | 87 ÷ 75 = 1 remainder 12 |
| 4 | 75 ÷ 12 = 6 remainder 3 |
| 5 | 12 ÷ 3 = 4 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 101 and 144 | 14544 |
| 153 and 88 | 13464 |
| 192 and 113 | 21696 |
| 86 and 78 | 3354 |
| 105 and 80 | 1680 |