Least Common Multiple (LCM) of 87 and 113
The least common multiple (LCM) of 87 and 113 is 9831.
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 113?
First, calculate the GCD of 87 and 113 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 87 ÷ 113 = 0 remainder 87 |
| 2 | 113 ÷ 87 = 1 remainder 26 |
| 3 | 87 ÷ 26 = 3 remainder 9 |
| 4 | 26 ÷ 9 = 2 remainder 8 |
| 5 | 9 ÷ 8 = 1 remainder 1 |
| 6 | 8 ÷ 1 = 8 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 109 and 80 | 8720 |
| 160 and 78 | 6240 |
| 66 and 25 | 1650 |
| 101 and 67 | 6767 |
| 81 and 106 | 8586 |