What is the Greatest Common Factor of 80870 and 80875?

Greatest common factor (GCF) of 80870 and 80875 is 5.

GCF(80870,80875) = 5

We will now calculate the prime factors of 80870 and 80875, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 80870 and 80875.

How to find the GCF of 80870 and 80875?

We will first find the prime factorization of 80870 and 80875. After we will calculate the factors of 80870 and 80875 and find the biggest common factor number .

Step-1: Prime Factorization of 80870

Prime factors of 80870 are 2, 5, 8087. Prime factorization of 80870 in exponential form is:

80870 = 2¹ × 5¹ × 8087¹

Step-2: Prime Factorization of 80875

Prime factors of 80875 are 5, 647. Prime factorization of 80875 in exponential form is:

80875 = 5³ × 647¹

Step-3: Factors of 80870

List of positive integer factors of 80870 that divides 80870 without a remainder.

1, 2, 5, 10, 8087, 16174, 40435

Step-4: Factors of 80875

List of positive integer factors of 80875 that divides 80870 without a remainder.

1, 5, 25, 125, 647, 3235, 16175

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 80870 and 80875. The biggest common factor number is the GCF number.
So the greatest common factor 80870 and 80875 is 5.

Also check out the Least Common Multiple of 80870 and 80875