Least Common Multiple (LCM) of 39 and 187
The least common multiple (LCM) of 39 and 187 is 7293.
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 39 and 187?
First, calculate the GCD of 39 and 187 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 39 ÷ 187 = 0 remainder 39 |
| 2 | 187 ÷ 39 = 4 remainder 31 |
| 3 | 39 ÷ 31 = 1 remainder 8 |
| 4 | 31 ÷ 8 = 3 remainder 7 |
| 5 | 8 ÷ 7 = 1 remainder 1 |
| 6 | 7 ÷ 1 = 7 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 120 and 81 | 3240 |
| 89 and 25 | 2225 |
| 47 and 30 | 1410 |
| 179 and 142 | 25418 |
| 12 and 107 | 1284 |