What is the Greatest Common Factor of 77178 and 77193?

Greatest common factor (GCF) of 77178 and 77193 is 3.

GCF(77178,77193) = 3

We will now calculate the prime factors of 77178 and 77193, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77178 and 77193.

How to find the GCF of 77178 and 77193?

We will first find the prime factorization of 77178 and 77193. After we will calculate the factors of 77178 and 77193 and find the biggest common factor number .

Step-1: Prime Factorization of 77178

Prime factors of 77178 are 2, 3, 19, 677. Prime factorization of 77178 in exponential form is:

77178 = 2¹ × 3¹ × 19¹ × 677¹

Step-2: Prime Factorization of 77193

Prime factors of 77193 are 3, 953. Prime factorization of 77193 in exponential form is:

77193 = 3⁴ × 953¹

Step-3: Factors of 77178

List of positive integer factors of 77178 that divides 77178 without a remainder.

1, 2, 3, 6, 19, 38, 57, 114, 677, 1354, 2031, 4062, 12863, 25726, 38589

Step-4: Factors of 77193

List of positive integer factors of 77193 that divides 77178 without a remainder.

1, 3, 9, 27, 81, 953, 2859, 8577, 25731

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77178 and 77193. The biggest common factor number is the GCF number.
So the greatest common factor 77178 and 77193 is 3.

Also check out the Least Common Multiple of 77178 and 77193