Least Common Multiple (LCM) of 156 and 87
The least common multiple (LCM) of 156 and 87 is 4524.
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 156 and 87?
First, calculate the GCD of 156 and 87 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 156 ÷ 87 = 1 remainder 69 |
| 2 | 87 ÷ 69 = 1 remainder 18 |
| 3 | 69 ÷ 18 = 3 remainder 15 |
| 4 | 18 ÷ 15 = 1 remainder 3 |
| 5 | 15 ÷ 3 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 163 and 137 | 22331 |
| 21 and 169 | 3549 |
| 141 and 97 | 13677 |
| 175 and 72 | 12600 |
| 150 and 104 | 7800 |