What is the Greatest Common Factor of 77355 and 77364?

Greatest common factor (GCF) of 77355 and 77364 is 9.

GCF(77355,77364) = 9

We will now calculate the prime factors of 77355 and 77364, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77355 and 77364.

How to find the GCF of 77355 and 77364?

We will first find the prime factorization of 77355 and 77364. After we will calculate the factors of 77355 and 77364 and find the biggest common factor number .

Step-1: Prime Factorization of 77355

Prime factors of 77355 are 3, 5, 191. Prime factorization of 77355 in exponential form is:

77355 = 3⁴ × 5¹ × 191¹

Step-2: Prime Factorization of 77364

Prime factors of 77364 are 2, 3, 7, 307. Prime factorization of 77364 in exponential form is:

77364 = 2² × 3² × 7¹ × 307¹

Step-3: Factors of 77355

List of positive integer factors of 77355 that divides 77355 without a remainder.

1, 3, 5, 9, 15, 27, 45, 81, 135, 191, 405, 573, 955, 1719, 2865, 5157, 8595, 15471, 25785

Step-4: Factors of 77364

List of positive integer factors of 77364 that divides 77355 without a remainder.

1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 307, 614, 921, 1228, 1842, 2149, 2763, 3684, 4298, 5526, 6447, 8596, 11052, 12894, 19341, 25788, 38682

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77355 and 77364. The biggest common factor number is the GCF number.
So the greatest common factor 77355 and 77364 is 9.

Also check out the Least Common Multiple of 77355 and 77364