Least Common Multiple (LCM) of 87 and 11
The least common multiple (LCM) of 87 and 11 is 957.
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 11?
First, calculate the GCD of 87 and 11 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 87 ÷ 11 = 7 remainder 10 |
| 2 | 11 ÷ 10 = 1 remainder 1 |
| 3 | 10 ÷ 1 = 10 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 77 and 105 | 1155 |
| 81 and 19 | 1539 |
| 153 and 18 | 306 |
| 101 and 132 | 13332 |
| 162 and 45 | 810 |