Least Common Multiple (LCM) of 39 and 147
The least common multiple (LCM) of 39 and 147 is 1911.
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 147?
First, calculate the GCD of 39 and 147 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 39 ÷ 147 = 0 remainder 39 |
| 2 | 147 ÷ 39 = 3 remainder 30 |
| 3 | 39 ÷ 30 = 1 remainder 9 |
| 4 | 30 ÷ 9 = 3 remainder 3 |
| 5 | 9 ÷ 3 = 3 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 139 and 92 | 12788 |
| 153 and 102 | 306 |
| 74 and 188 | 6956 |
| 131 and 197 | 25807 |
| 64 and 127 | 8128 |