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 256, 259 i.e. 1 largest integer by which both the numbers can be divided.
Greatest common factor (GCF) of 256 and 259 is 1.
GCF(256,259) = 1
Greatest common factor or Greatest common divisor (GCD) can be calculated in following way;
Prime Factorization of 256
2 | 256 |
2 | 128 |
2 | 64 |
2 | 32 |
2 | 16 |
2 | 8 |
2 | 4 |
2 | 2 |
1 |
Prime factors of 256 are 2. Prime factorization of 256 in exponential form is:
256 = 28
Prime Factorization of 259
7 | 259 |
37 | 37 |
1 |
Prime factors of 259 are 7.Prime factorization of 259 in exponential form is:
259 = 71×371
∴ So by taking common prime factors GCF of 256 and 259 is 1
Factors of 256
List of positive integer factors of 256 that divides 256 without a remainder.
1,2,4,8,16,32,64,128,256
Factors of 259
List of positive integer factors of 259 that divides 259 without a remainder.
1,7,37,259
Greatest Common Factor
We found the factors and prime factorization of 256 and 259. The biggest common factor number is the GCF number.
So the greatest common factor 256 and 259 is 1.
Also check out the Least Common Multiple of 256 and 259
(i) The GCF of 256 and 259 is associative
GCF of 256 and 259 = GCF of 259 and 256
1. What is the GCF of 256 and 259?
Answer: GCF of 256 and 259 is 1.
2. What are the Factors of 256?
Answer: Factors of 256 are 1, 2, 4, 8, 16, 32, 64, 128, 256. There are 9 integers that are factors of 256. The greatest factor of 256 is 256.
3. What are the Factors of 259?
Answer: Factors of 259 are 1, 7, 37, 259. There are 4 integers that are factors of 259. The greatest factor of 259 is 259.
4. How to Find the GCF of 256 and 259?
Answer:
Greatest Common Factor of 256 and 259 = 1
Step 1: Find the prime factorization of 256
256 = 2 x 2 x 2 x 2 x 2 x 2 x 2 x 2
Step 2: Find the prime factorization of 259
259 = 7 x 37
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 256 and 259 is 1