What is the Greatest Common Factor of 80745 and 80765?

Greatest common factor (GCF) of 80745 and 80765 is 5.

GCF(80745,80765) = 5

We will now calculate the prime factors of 80745 and 80765, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80745 and 80765.

How to find the GCF of 80745 and 80765?

We will first find the prime factorization of 80745 and 80765. After we will calculate the factors of 80745 and 80765 and find the biggest common factor number .

Step-1: Prime Factorization of 80745

Prime factors of 80745 are 3, 5, 7, 769. Prime factorization of 80745 in exponential form is:

80745 = 3¹ × 5¹ × 7¹ × 769¹

Step-2: Prime Factorization of 80765

Prime factors of 80765 are 5, 29, 557. Prime factorization of 80765 in exponential form is:

80765 = 5¹ × 29¹ × 557¹

Step-3: Factors of 80745

List of positive integer factors of 80745 that divides 80745 without a remainder.

1, 3, 5, 7, 15, 21, 35, 105, 769, 2307, 3845, 5383, 11535, 16149, 26915

Step-4: Factors of 80765

List of positive integer factors of 80765 that divides 80745 without a remainder.

1, 5, 29, 145, 557, 2785, 16153

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80745 and 80765. The biggest common factor number is the GCF number.
So the greatest common factor 80745 and 80765 is 5.

Also check out the Least Common Multiple of 80745 and 80765