GCF for 207 and 253
"Greatest Common Factor" Calculator
What is the Greatest common Divisor of 207 and 253?
Answer: GCF of 207 and 253 is 23
(Twenty-three)
Finding GCF for 207 and 253 using all factors (divisors) listing
The first method to find GCF for numbers 207 and 253 is to list all factors for both numbers and pick the highest common one:
All factors of 207: 1, 3, 9, 23, 69, 207
All factors of 253: 1, 11, 23, 253
So the Greatest Common Factor for 207 and 253 is 23
Finding GCF for 207 and 253 by Prime Factorization
The second method to find GCF for numbers 207 and 253 is to list all Prime Factors for both numbers and multiply the common ones:
All Prime Factors of 207: 3, 3, 23
All Prime Factors of 253: 11, 23
As we can see there is only one Prime Factor common to both numbers. It is 23
So 23 is the Greatest Common Factor of 207 and 253
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GCF Table
| Number 1 | Number 2 | GCF |
|---|---|---|
| 192 | 253 | 1 |
| 193 | 253 | 1 |
| 194 | 253 | 1 |
| 195 | 253 | 1 |
| 196 | 253 | 1 |
| 197 | 253 | 1 |
| 198 | 253 | 11 |
| 199 | 253 | 1 |
| 200 | 253 | 1 |
| 201 | 253 | 1 |
| 202 | 253 | 1 |
| 203 | 253 | 1 |
| 204 | 253 | 1 |
| 205 | 253 | 1 |
| 206 | 253 | 1 |
| 207 | 253 | 23 |
| 208 | 253 | 1 |
| 209 | 253 | 11 |
| 210 | 253 | 1 |
| 211 | 253 | 1 |
| 212 | 253 | 1 |
| 213 | 253 | 1 |
| 214 | 253 | 1 |
| 215 | 253 | 1 |
| 216 | 253 | 1 |
| 217 | 253 | 1 |
| 218 | 253 | 1 |
| 219 | 253 | 1 |
| 220 | 253 | 11 |
| 221 | 253 | 1 |
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 207 and 253? (The answer is: 23). Select the first number (e.g. '207') and the second number (e.g. '253'). 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