GCF of 540 and 306 (Greatest Common Factor)
"Greatest Common Factor" Calculator
What is the Greatest Common Divisor of 540 and 306?
Answer
GCF of 540 and 306 is 18
(Eighteen)
Finding GCF for 540 and 306 using all factors (divisors) listing
The first method to find GCF for numbers 540 and 306 is to list all factors for both numbers and pick the highest common one:
All factors of 540: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540
All factors of 306: 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306
So the Greatest Common Factor for 540 and 306 is 18
Finding GCF for 540 and 306 by Prime Factorization
The second method to find GCF for numbers 540 and 306 is to list all Prime Factors for both numbers and multiply the common ones:
All Prime Factors of 540: 2, 2, 3, 3, 3, 5
All Prime Factors of 306: 2, 3, 3, 17
As we can see there are Prime Factors common to both numbers: 2, 3, 3
Now we need to multiply them to find GCF: 2 × 3 × 3 = 18
Related Calculations
See Also
- Least Common Multiple - Find the Least Common Multiple (LCM) of two numbers
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GCF Table
| Number 1 | Number 2 | GCF |
|---|---|---|
| 540 | 291 | 3 |
| 540 | 292 | 4 |
| 540 | 293 | 1 |
| 540 | 294 | 6 |
| 540 | 295 | 5 |
| 540 | 296 | 4 |
| 540 | 297 | 27 |
| 540 | 298 | 2 |
| 540 | 299 | 1 |
| 540 | 300 | 60 |
| 540 | 301 | 1 |
| 540 | 302 | 2 |
| 540 | 303 | 3 |
| 540 | 304 | 4 |
| 540 | 305 | 5 |
| 540 | 306 | 18 |
| 540 | 307 | 1 |
| 540 | 308 | 4 |
| 540 | 309 | 3 |
| 540 | 310 | 10 |
| 540 | 311 | 1 |
| 540 | 312 | 12 |
| 540 | 313 | 1 |
| 540 | 314 | 2 |
| 540 | 315 | 45 |
| 540 | 316 | 4 |
| 540 | 317 | 1 |
| 540 | 318 | 6 |
| 540 | 319 | 1 |
| 540 | 320 | 20 |
About "Greatest Common Factor" Calculator
This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest Common Divisor of 540 and 306? (The answer is: 18). Select the first number (e.g. '540') and the second number (e.g. '306'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder.