Least Common Multiple (LCM) of 147 and 87
The least common multiple (LCM) of 147 and 87 is 4263.
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 147 and 87?
First, calculate the GCD of 147 and 87 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 147 ÷ 87 = 1 remainder 60 |
| 2 | 87 ÷ 60 = 1 remainder 27 |
| 3 | 60 ÷ 27 = 2 remainder 6 |
| 4 | 27 ÷ 6 = 4 remainder 3 |
| 5 | 6 ÷ 3 = 2 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 176 and 155 | 27280 |
| 195 and 18 | 1170 |
| 77 and 30 | 2310 |
| 122 and 40 | 2440 |
| 30 and 37 | 1110 |