What is the Greatest Common Factor of 77245 and 77257?

Greatest common factor (GCF) of 77245 and 77257 is 1.

GCF(77245,77257) = 1

We will now calculate the prime factors of 77245 and 77257, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77245 and 77257.

How to find the GCF of 77245 and 77257?

We will first find the prime factorization of 77245 and 77257. After we will calculate the factors of 77245 and 77257 and find the biggest common factor number .

Step-1: Prime Factorization of 77245

Prime factors of 77245 are 5, 7, 2207. Prime factorization of 77245 in exponential form is:

77245 = 5¹ × 7¹ × 2207¹

Step-2: Prime Factorization of 77257

Prime factors of 77257 are 23, 3359. Prime factorization of 77257 in exponential form is:

77257 = 23¹ × 3359¹

Step-3: Factors of 77245

List of positive integer factors of 77245 that divides 77245 without a remainder.

1, 5, 7, 35, 2207, 11035, 15449

Step-4: Factors of 77257

List of positive integer factors of 77257 that divides 77245 without a remainder.

1, 23, 3359

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77245 and 77257. The biggest common factor number is the GCF number.
So the greatest common factor 77245 and 77257 is 1.

Also check out the Least Common Multiple of 77245 and 77257