Least Common Multiple (LCM) of 147 and 47
The least common multiple (LCM) of 147 and 47 is 6909.
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 47?
First, calculate the GCD of 147 and 47 using the Euclidean algorithm. Then use the formula above to find the LCM.
Step-by-Step GCD Calculation
| Step | Calculation |
|---|---|
| 1 | 147 ÷ 47 = 3 remainder 6 |
| 2 | 47 ÷ 6 = 7 remainder 5 |
| 3 | 6 ÷ 5 = 1 remainder 1 |
| 4 | 5 ÷ 1 = 5 remainder 0 |
Examples of LCM Calculations
| Numbers | LCM |
|---|---|
| 68 and 112 | 1904 |
| 172 and 137 | 23564 |
| 168 and 76 | 3192 |
| 21 and 166 | 3486 |
| 68 and 162 | 5508 |