What is the Greatest Common Factor of 77270 and 77287?

Greatest common factor (GCF) of 77270 and 77287 is 1.

GCF(77270,77287) = 1

We will now calculate the prime factors of 77270 and 77287, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77270 and 77287.

How to find the GCF of 77270 and 77287?

We will first find the prime factorization of 77270 and 77287. After we will calculate the factors of 77270 and 77287 and find the biggest common factor number .

Step-1: Prime Factorization of 77270

Prime factors of 77270 are 2, 5, 7727. Prime factorization of 77270 in exponential form is:

77270 = 2¹ × 5¹ × 7727¹

Step-2: Prime Factorization of 77287

Prime factors of 77287 are 7, 61, 181. Prime factorization of 77287 in exponential form is:

77287 = 7¹ × 61¹ × 181¹

Step-3: Factors of 77270

List of positive integer factors of 77270 that divides 77270 without a remainder.

1, 2, 5, 10, 7727, 15454, 38635

Step-4: Factors of 77287

List of positive integer factors of 77287 that divides 77270 without a remainder.

1, 7, 61, 181, 427, 1267, 11041

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77270 and 77287. The biggest common factor number is the GCF number.
So the greatest common factor 77270 and 77287 is 1.

Also check out the Least Common Multiple of 77270 and 77287