Created By : Jatin Gogia
Reviewed By : Rajasekhar Valipishetty
Last Updated : Apr 06, 2023
Make use of GCF Calculator to quickly find the Greatest Common Factor of numbers 255, 263 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 255 and 263 is 1.
GCF(255,263) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 255
3 | 255 |
5 | 85 |
17 | 17 |
1 |
Prime factors of 255 are 3,5,17. Prime factorization of 255 in exponential form is:
255 = 31×51×171
Prime Factorization of 263
263 | 263 |
1 |
Prime factors of 263 are 263. Prime factorization of 263 in exponential form is:
263 = 2631
∴ So by taking common prime factors GCF of 255 and 263 is 1
Factors of 255
List of positive integer factors of 255 that divides 255 without a remainder.
1,3,5,15,17,51,85,255
Factors of 263
List of positive integer factors of 263 that divides 263 without a remainder.
1,263
Greatest Common Factor
We found the factors and prime factorization of 255 and 263. The biggest common factor number is the GCF number.
So the greatest common factor 255 and 263 is 1.
Also check out the Least Common Multiple of 255 and 263
(i) The GCF of 255 and 263 is associative
GCF of 255 and 263 = GCF of 263 and 255
1. What is the GCF of 255 and 263?
Answer: GCF of 255 and 263 is 1.
2. What are the Factors of 255?
Answer: Factors of 255 are 1, 3, 5, 15, 17, 51, 85, 255. There are 8 integers that are factors of 255. The greatest factor of 255 is 255.
3. What are the Factors of 263?
Answer: Factors of 263 are 1, 263. There are 2 integers that are factors of 263. The greatest factor of 263 is 263.
4. How to Find the GCF of 255 and 263?
Answer:
Greatest Common Factor of 255 and 263 = 1
Step 1: Find the prime factorization of 255
255 = 3 x 5 x 17
Step 2: Find the prime factorization of 263
263 = 263
Step 3: Multiply those factors both numbers have in common in steps i) or ii) above to find the gcf:
GCF = = 1
Step 4: Therefore, the greatest common factor of 255 and 263 is 1