Least Common Multiple (LCM) of 87 and 133
The least common multiple (LCM) of 87 and 133 is 11571.
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 133?
First, calculate the GCD of 87 and 133 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 87 ÷ 133 = 0 remainder 87 |
| 2 | 133 ÷ 87 = 1 remainder 46 |
| 3 | 87 ÷ 46 = 1 remainder 41 |
| 4 | 46 ÷ 41 = 1 remainder 5 |
| 5 | 41 ÷ 5 = 8 remainder 1 |
| 6 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 36 and 64 | 576 |
| 38 and 61 | 2318 |
| 132 and 135 | 5940 |
| 160 and 196 | 7840 |
| 186 and 35 | 6510 |