What is the Greatest Common Factor of 65787 and 65805?

Greatest common factor (GCF) of 65787 and 65805 is 3.

GCF(65787,65805) = 3

We will now calculate the prime factors of 65787 and 65805, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 65787 and 65805.

How to find the GCF of 65787 and 65805?

We will first find the prime factorization of 65787 and 65805. After we will calculate the factors of 65787 and 65805 and find the biggest common factor number .

Step-1: Prime Factorization of 65787

Prime factors of 65787 are 3, 21929. Prime factorization of 65787 in exponential form is:

65787 = 3¹ × 21929¹

Step-2: Prime Factorization of 65805

Prime factors of 65805 are 3, 5, 41, 107. Prime factorization of 65805 in exponential form is:

65805 = 3¹ × 5¹ × 41¹ × 107¹

Step-3: Factors of 65787

List of positive integer factors of 65787 that divides 65787 without a remainder.

1, 3, 21929

Step-4: Factors of 65805

List of positive integer factors of 65805 that divides 65787 without a remainder.

1, 3, 5, 15, 41, 107, 123, 205, 321, 535, 615, 1605, 4387, 13161, 21935

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 65787 and 65805. The biggest common factor number is the GCF number.
So the greatest common factor 65787 and 65805 is 3.

Also check out the Least Common Multiple of 65787 and 65805