What is the Greatest Common Factor of 4247 and 4256?

Greatest common factor (GCF) of 4247 and 4256 is 1.

GCF(4247,4256) = 1

We will now calculate the prime factors of 4247 and 4256, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 4247 and 4256.

How to find the GCF of 4247 and 4256?

We will first find the prime factorization of 4247 and 4256. After we will calculate the factors of 4247 and 4256 and find the biggest common factor number .

Step-1: Prime Factorization of 4247

Prime factors of 4247 are 31, 137. Prime factorization of 4247 in exponential form is:

4247 = 31¹ × 137¹

Step-2: Prime Factorization of 4256

Prime factors of 4256 are 2, 7, 19. Prime factorization of 4256 in exponential form is:

4256 = 2⁵ × 7¹ × 19¹

Step-3: Factors of 4247

List of positive integer factors of 4247 that divides 4247 without a remainder.

1, 31, 137

Step-4: Factors of 4256

List of positive integer factors of 4256 that divides 4247 without a remainder.

1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 4247 and 4256. The biggest common factor number is the GCF number.
So the greatest common factor 4247 and 4256 is 1.

Also check out the Least Common Multiple of 4247 and 4256