What is the Greatest Common Factor of 76721 and 76738?

Greatest common factor (GCF) of 76721 and 76738 is 17.

GCF(76721,76738) = 17

We will now calculate the prime factors of 76721 and 76738, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 76721 and 76738.

How to find the GCF of 76721 and 76738?

We will first find the prime factorization of 76721 and 76738. After we will calculate the factors of 76721 and 76738 and find the biggest common factor number .

Step-1: Prime Factorization of 76721

Prime factors of 76721 are 17, 4513. Prime factorization of 76721 in exponential form is:

76721 = 17¹ × 4513¹

Step-2: Prime Factorization of 76738

Prime factors of 76738 are 2, 17, 37, 61. Prime factorization of 76738 in exponential form is:

76738 = 2¹ × 17¹ × 37¹ × 61¹

Step-3: Factors of 76721

List of positive integer factors of 76721 that divides 76721 without a remainder.

1, 17, 4513

Step-4: Factors of 76738

List of positive integer factors of 76738 that divides 76721 without a remainder.

1, 2, 17, 34, 37, 61, 74, 122, 629, 1037, 1258, 2074, 2257, 4514, 38369

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 76721 and 76738. The biggest common factor number is the GCF number.
So the greatest common factor 76721 and 76738 is 17.

Also check out the Least Common Multiple of 76721 and 76738