What is the Greatest Common Factor of 77130 and 77143?

Greatest common factor (GCF) of 77130 and 77143 is 1.

GCF(77130,77143) = 1

We will now calculate the prime factors of 77130 and 77143, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 77130 and 77143.

How to find the GCF of 77130 and 77143?

We will first find the prime factorization of 77130 and 77143. After we will calculate the factors of 77130 and 77143 and find the biggest common factor number .

Step-1: Prime Factorization of 77130

Prime factors of 77130 are 2, 3, 5, 857. Prime factorization of 77130 in exponential form is:

77130 = 2¹ × 3² × 5¹ × 857¹

Step-2: Prime Factorization of 77143

Prime factors of 77143 are 11, 7013. Prime factorization of 77143 in exponential form is:

77143 = 11¹ × 7013¹

Step-3: Factors of 77130

List of positive integer factors of 77130 that divides 77130 without a remainder.

1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 857, 1714, 2571, 4285, 5142, 7713, 8570, 12855, 15426, 25710, 38565

Step-4: Factors of 77143

List of positive integer factors of 77143 that divides 77130 without a remainder.

1, 11, 7013

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 77130 and 77143. The biggest common factor number is the GCF number.
So the greatest common factor 77130 and 77143 is 1.

Also check out the Least Common Multiple of 77130 and 77143