What is the Greatest Common Factor of 28778 and 28786?

Greatest common factor (GCF) of 28778 and 28786 is 2.

GCF(28778,28786) = 2

We will now calculate the prime factors of 28778 and 28786, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 28778 and 28786.

How to find the GCF of 28778 and 28786?

We will first find the prime factorization of 28778 and 28786. After we will calculate the factors of 28778 and 28786 and find the biggest common factor number .

Step-1: Prime Factorization of 28778

Prime factors of 28778 are 2, 14389. Prime factorization of 28778 in exponential form is:

28778 = 2¹ × 14389¹

Step-2: Prime Factorization of 28786

Prime factors of 28786 are 2, 37, 389. Prime factorization of 28786 in exponential form is:

28786 = 2¹ × 37¹ × 389¹

Step-3: Factors of 28778

List of positive integer factors of 28778 that divides 28778 without a remainder.

1, 2, 14389

Step-4: Factors of 28786

List of positive integer factors of 28786 that divides 28778 without a remainder.

1, 2, 37, 74, 389, 778, 14393

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 28778 and 28786. The biggest common factor number is the GCF number.
So the greatest common factor 28778 and 28786 is 2.

Also check out the Least Common Multiple of 28778 and 28786